CN(C)CCNc1ccc(NCC[N+](C)(C)Cc2ccc([N+](=O)[O-])cc2)c2c1C(=O)c1c(O)ccc(O)c1C2=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?