C#CCOCCOCCOCCNc1nc(N2CCN(C(=O)Cn3cc(CCCN=C(N)N)nn3)CC2)nc(N2CCN(C(=O)[C@H]([C@@H](C)CC)n3cc(CCCCN)nn3)CC2)n1.Cl
Heavy atom refers to any atom that is not hydrogen. How many heavy atoms do the molecule have?