Using O=C([O-])[O-], COC(=O)C(C)(Cc1ccc(O)cc1)NC(=O)OC1C2CC3CC(C2)CC1C3 to produce COC(=O)C(C)(Cc1ccc(OC)cc1)NC(=O)OC1C2CC3CC(C2)CC1C3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.