CN[C@@H](C)C(=O)N[C@H]1CCCCN(Cc2nc(-c3ccccc3)c(-c3ccccc3)o2)C1=O.O=CO
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?