Using CCCC[Sn](Cl)(CCCC)CCCC, [N-]=[N+]=NCCSc1cncc(C(=O)c2ncn3ccsc23)c1 to produce CCCC[Sn](CCCC)(CCCC)c1cn2cnc(C(=O)c3cncc(SCCN=[N+]=[N-])c3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.