Using CCOC(=O)CNC(=O)[C@H](Cc1ccc(OC(C)(C)C)cc1)NC(=O)OCc1ccccc1 to produce CCOC(=O)CNC(=O)[C@@H](N)Cc1ccc(OC(C)(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.