Using CC(C)(C)[O-], O=C1CCC(c2ccc(OC(F)(F)F)c(F)c2)CC1 to produce O=CC1CCC(c2ccc(OC(F)(F)F)c(F)c2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.