Using O=[O+][O-], C=CCC(C(=O)OC)C(CC(=O)O)c1cccc(F)c1 to produce COC(=O)C(CC=O)C(CC(=O)O)c1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.