Cc1cc(C)c2c(c1)[C@]1(C(=O)N2)C(C(=O)c2ccccc2)C(c2cccc([N+](=O)[O-])c2)C2CSCN21
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?