CC[C@]12C(=O)N(C)C[C@H]([C@@H]3C(=O)N(C)C(=O)[C@@H]31)N2C(=O)c1ccc(Cl)c(Cl)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?