Cc1c(C(=O)O)c(O)cc2c1C(=O)c1c(O)c(O[C@H]3OC(CO)C(O)C(O)C3O)c(O)c(O)c1C2=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?