CCOc1ccc(/N=N/c2ccc3cc(/C(C)=N/NC(=O)/C(C#N)=C\c4ccc(N(CCC#N)CCC#N)cc4)c(=O)oc3c2)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?