O=C1NC(c2ccc(-c3ccccc3[N+](=O)[O-])o2)C(C(=O)c2ccc(F)cc2)C(O)(C(F)(F)F)N1
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?