Using C[Sn](C)(C)N=[N+]=[N-], CCCCc1nc2c(C)ccnc2n1Cc1ccc(-n2cc(Cl)c(Cl)c2C#N)cc1 to produce CCCCc1nc2c(C)ccnc2n1Cc1ccc(-n2cc(Cl)c(Cl)c2-c2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.