Using CCOC(=O)[C@H]1[C@@H](c2ccc(O)cc2)CC(=O)N1C, O=C([O-])[O-] to produce CCOC(=O)[C@H]1[C@@H](c2ccc(OC)cc2)CC(=O)N1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.