Cc1ccc(NS(=O)(=O)c2cc([N+](=O)[O-])ccc2N/N=C/c2sc(N3CCOCC3)nc2-c2ccccc2)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?