O=C(NCc1cccc(OC(F)(F)F)c1)c1cccc2c1C(=O)c1ccc(-c3ccc(F)cc3OCc3ccccc3)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?