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