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In General Formula (2) or (3), Ri, R$_{2}$ , R$_{3}$ , Y, Z, m, and n have the same meaning as those in General Formula (1), respectively. 

Ar represents an aromatic ring group. 

Each of W $_{1 }$ and W 2 represents a divalent group or a single bond. connecting 

Specific examples ofR$_{1}$, R$_{2}$, R$_{3}$ , Y, Z, m, andn include the same as those described in General Formula (1), respec› tively, and the preferable range thereof is also the same. 

Specific examples of the aromatic ring represented by Ar include the same as the specific examples in a case where L 45 in General Formula (1) is an aromatic ring, and the prefer› able range thereof is also the same. 

Examples of the divalent connecting group represented by W $_{1 }$ or W 2 include a monocyclic or polycyclic aromatic hydrocarbon ring which may have a substituent, having 6 to 18 carbon atoms, -C(=O)-, -0----C(=O)-, ----CH$_{2}$ - 0-C(=0)-, a thiocarbonyl group, a linear or branched alkylene group (which preferably has 1 to 10 carbon atoms, and more preferably has 1 to 6 carbon atoms), a linear or branched alkenylene group (which preferably has 2 to 10 carbon atoms, and more preferably has 2 to 6 carbon atoms), a cycloalkylene group (which preferably has 3 to 10 carbon atoms, and more preferably has 5 to 10 carbon atoms), a sulfonyl group, ---0-, -NH-, -S-, a cyclic lactone structure, and a divalent connecting group obtained by combining these. 

In addition, the repeating unit (Q) represented by General 65 Formula (1) is more preferably represented by the following General Formula (2’) or (3’). 

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Each of R$_{1}$ , Y, Z, m, and n in General Formulas (2’) and (3’) has the same meaning as each group in General Formula (1 ), and the specific examples and the preferable range thereof are also the same. Ar in General Formula (2’) has the same meaning as that in General Formula (2), and the preferable range thereof is also the same. 

In General Formula (3’), W$_{3 }$ represents a divalent con› necting group. Examples of the divalent connecting group represented by W $_{3 }$ include a monocyclic or polycyclic aromatic hydrocarbon ring which may have a substituent, having 6 to 18 carbon atoms, ----C(=O)-, a linear or branched alkylene group (which preferably has 1 to 10 carbon atoms, and more preferably has 1 to 6 carbon atoms), a cycloalkylene group (which preferably has 3 to 10 carbon atoms, and more preferably has 5 to 10 carbon atoms), ---0-, a cyclic lactone structure, and a divalent connecting group obtained by combining these. 

In General Formula (2’), f is an integer of O to 6. f is preferably an integer of Oto 3, and more preferably 1 to 3. 

In General Formulas (2’) and (3’), g is O or 1. 

In addition, General Formula (2’) is particularly prefer› ably represented by any one of the following General Formulas (1-a) to (1-c ). The repeating unit (Q) is particularly preferably a repeating unit represented by any one of the following General Formulas (1-a) to (1-c) or a repeating unit represented by General Formula (3’). 

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