C[C@H](CCC(=O)NCCS(=O)(=O)[O-])C1CCC2C3C(C[C@H](O)C21C)C1(C)CC[C@@H](O)CC1C[C@H]3O.[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?