Using O=C(O)C1(c2ccccc2)CCC(OCC2CC2)(c2ccc(F)cc2)CC1 to produce O=C([O-])C1(c2ccccc2)CCC(OCC2CC2)(c2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.