C[N+](C)(C)COP(=O)([O-])OP(=O)([O-])OC[C@@H]1O[C@@H](n2ccc(N)nc2=O)[C@@H](O)[C@H]1O.[Na+]
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?