CCOC(=O)c1c(NC(=O)C(C)Sc2cn(CCNC(=O)c3ccc(OC)cc3)c3ccccc23)sc2c1CCC2
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?