COc1ccc(C(=O)OCC(=O)Nc2ccc(OC)c(S(=O)(=O)N3CCCCC3)c2)cc1[N+](=O)[O-]
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?