COC(=O)C/C=C\[C@@H](C)[C@@H](/C=N\O[C@@H](C)c1cn([C@H](CO)Cc2ccccc2)nn1)NS(=O)(=O)c1ccc(C)cc1
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?