C[N+](C)(C)CC(=O)N/N=C/c1oc(-c2c(O)ccc3ccccc23)c(-c2c(O)ccc3ccccc23)c1[N+](=O)[O-].[Cl-]
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?