Using Cc1[nH]c(C(=O)NC2CCNCC2)c(Cl)c1Cl, COC(=O)c1cc(Cl)nc(Cl)n1 to produce COC(=O)C1(N2CCC(NC(=O)c3[nH]c(C)c(Cl)c3Cl)CC2)C=CN=C(Cl)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.