Cc1ccc2c(O)c3c(cc2c1)C(=O)c1c2c(cc(O)c1C3=O)C1(C)OC(O2)C(O)C(N(C)C)C1O
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?