COc1ccc(C(=O)[C@H]2[C@H](c3ccc(OC)cc3)[C@@H]([N+](=O)[O-])C3c4ccccc4C=NN32)cc1
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?