CN1CCC23c4c5ccc(Oc6nnnn6-c6ccccc6)c4OC2c2[nH]c4ccccc4c2CC3(O)C1C5
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?