O=C(COC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)c1ccc(Cl)cc1)Nc1ccc2c(c1)OCO2
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?