O=C(NCc1cc(C(F)(F)F)ccc1Cl)c1cccc2c1C(=O)c1ccc(N3CCC(N4CCCCC4)CC3)cc1S2(=O)=O
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?