Using ClCc1ccc(Cl)cc1Cl, COC(=O)c1ccc(C(=O)OC)c(N)c1 to produce COC(=O)c1ccc(C(=O)OC)c(NCc2ccc(Cl)cc2Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.