Using COc1ccc([C@H](N)C(=O)O)cc1, NC(=O)CCC(=O)NOC(=O)OCc1ccccc1 to produce COc1ccc([C@H](NC(=O)OCc2ccccc2)C(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.