COC(=O)c1c(C)sc(-c2c(-c3ccc(F)cc3)[nH]c3[nH]c(=O)[nH]c(=O)c23)c1O
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?