Using Cc1ccc(N(N)CCc2ccc(Cl)nc2)cc1, O=C1CCN2CCC1CC2 to produce Cc1ccc2c(c1)c1c(n2CCc2ccc(Cl)nc2)C2CCN(CC2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.