O=C(Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1)Nc1cnn(-c2ccc([N+](=O)[O-])cc2)c1C(F)(F)F
Heavy atom refers to any atom that is not hydrogen. The heavy atoms in molecules are carbon, oxygen, nitrogen, and sulfur. How many heavy atoms are in the molecule?