COc1ccc(C2C(C#N)=C(S)N(C3OC(COC(C)=O)C(OC(C)=O)C(OC(C)=O)C3OC(C)=O)C(c3ccccc3)=C2C(C)=O)cc1
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?