CCOC(=O)C1CCN(C(=O)CNC(=O)c2nn(-c3ccc(OC)c(Cl)c3)c(=O)c3ccccc23)CC1
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?