O=C(COc1cc2oc(=O)c3c(c2cc1Cl)CCCC3)N1C[C@@H]2C[C@H](C1)Cn1c2cccc1=O
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?