Cc1onc(-c2c(Cl)cccc2Cl)c1C(=O)ONC(=O)c1cc(C(F)(F)F)cc(C(F)(F)F)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?