Using CC(N)CCCc1ccc(Cl)c(Cl)c1, O=C(Cl)OCc1ccccc1 to produce CC(CCCc1ccc(Cl)c(Cl)c1)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.