O=C(O)c1cc(Cl)c2c(c1)[C@@H]1C=CC[C@@H]1[C@H](c1ccc(S(=O)(=O)N3CCOCC3)cc1)N2
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?