CCOc1ccc(-c2cc(C)[n+](CCN3CCOCC3)c(-c3ccc(OCC)cc3)c2)cc1.[O-][Cl+3]([O-])([O-])[O-]
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?