CC(=O)O[C@H]1CC[C@@]2(C)C(=C/C(=N\[N+](=O)[O-])[C@@H]3C2CC[C@@]2(C)C3CCC2[C@H](C)CCCC(C)C)C1
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?