CC[C@H]1[C@H](O)N2[C@H]3C[C@@H]1[C@@H]1[C@@H]2C[C@@]2(c4ccccc4N(C)[C@H]32)[C@H]1O
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?