Using CCOC(=O)C(C)(C(=O)[O-])c1ccc(Oc2ccc(F)cc2)cc1 to produce CC(C(=O)O)c1ccc(Oc2ccc(F)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.