CCCCOc1cccc(C2C(C(=O)c3ccc4c(c3)OCCO4)=C(O)C(=O)N2CCN2CCOCC2)c1
Aromatic rings (also known as aromatic compounds or arenes) are hydrocarbons which contain benzene, or some other related ring structure. How many aromatic rings does the molecule contain?