Using O=C(O)C(O)(c1ccc(F)cc1)c1ccc(F)cc1, CC[O-] to produce COC(=O)C(O)(c1ccc(F)cc1)c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.