CCOc1ccc(C(=O)C2=C(O)C(=O)N(c3ccc(OC)cc3)C2c2ccccc2[N+](=O)[O-])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?