CC(C)N1C(=O)CC2(CC[N+](C)(CCOC(=O)C(O)(c3ccccc3)c3ccccc3)CC2)C1=O.[I-]
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?