Cc1ccc2c(c1)C1C[N+](C)(CC(=O)c3ccc(Cl)cc3Cl)CCC1N2C(=O)c1ccc(F)cc1.[Cl-]
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?