C[C@@]1(O)CC(=O)c2c(cc3ccc(-c4c5c(c(O)c6c(O)cccc46)C(=O)C[C@](C)(O)C5)c(O)c3c2O)C1
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?