COc1ccc([C@@H]2CC=C(C(=O)O)[C@H](c3ccc(C(C)(C)C)cc3)N2S(=O)(=O)c2ccc(C)cc2)cc1OC
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?