COC(=O)C(C(=O)C(=O)NC1=C(Cl)C(=O)c2ccccc2C1=O)c1csc(-n2nc(-c3ccccc3)cc2-c2ccccc2)n1
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?