CCCCCCCCCCCCCC1=C(O)C(=O)C(CC2=C(O)C(=O)C(CCCCCCCCCCCCC)=C(O)C2=O)=C(O)C1=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?