CCOC(=O)C1=C(C)N=c2s/c(=C/c3cccc([N+](=O)[O-])c3O)c(=O)n2C1c1ccc(OC)cc1OC
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?