CC(=O)O[C@H]1CC[C@@]2(C)C(=CC[C@H]3C4Cc5cc6ccccc6nc5N[C@@]4(C)CCC32)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?