C[C@@H](O)C#Cc1ccc2c(c1)O[C@H](CN(C)Cc1ccc(-c3ccccc3)cc1)[C@H](C)CN([C@H](C)CO)S2(=O)=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?