Using O=C(Cl)OCc1ccccc1, CC(C)(C)OC(=O)Cc1ccccc1CN to produce CC(C)(C)OC(=O)Cc1ccccc1CNC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.