CCOC(=O)c1c(NC(=O)CSc2nc3c(c(=O)n(C)c(=O)n3C)n2C(C)C)sc(C)c1C
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?