Using CC(C)(C)OC(=O)CC(=O)[O-], OCc1cccc2c1Cc1ccccc1-2 to produce CC(C)(C)OC(=O)CC(=O)OCc1cccc2c1Cc1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.