Using O=C(O)CC[C@@H](CF)NC(=O)OCc1ccccc1, O=C([O-])[O-] to produce COC(=O)CC[C@@H](CF)NC(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.