Using COC(=O)c1ccccc1NC(=O)[C@@H]1CCCN1C(=O)OCc1ccccc1 to produce COC(=O)c1ccccc1NC(=O)[C@@H]1CCCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.