COc1ccc(S(=O)(=O)Nc2ccc(-c3csc(N4C(=O)/C(=C/c5cccs5)N=C4c4ccccc4)n3)cc2)cc1Cl
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?