COc1ccc(-c2nc3c(c4c2C[C@H](c2ccccc2)OC4)CN(S(=O)(=O)c2ccc(C#N)cc2)CC3)c(C)c1
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?