O=C(O)C(=O)O.O=S(=O)(c1ccc(Cl)c(C(F)(F)F)c1)N1CCN(CC(O)COCC2CCCO2)CC1
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?