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