Using O=C(CCc1ccc(O)c(Cl)c1)C1CCCC1, COC(=O)C(F)(F)Cl to produce O=C(CCc1ccc(OC(F)F)c(Cl)c1)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.