Using CCOC(=O)CCC(N)C(=O)O, O=C(Cl)OCc1ccccc1 to produce CCOC(=O)CC[C@H](NC(=O)OCc1ccccc1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.