Cc1ccc(Nc2cccc3c2C(=O)c2cccc(Nc4ccc(C)cc4S(=O)(=O)O)c2C3=O)c(S(=O)(=O)[O-])c1.[Na+]
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?