Cc1cc(Br)cc(C)c1NC(=O)C(=O)C1C(=O)C(CC2C(=O)c3ccccc3C2=O)C(=O)CC1(C)C
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?