CCOC(=O)c1c(C)[nH]c(C)c1S(=O)(=O)N1CCCC(C(=O)Nc2ccc(C)c(N(C)C)c2)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?