Using CC(Oc1ccc(C(F)(F)F)cc1)(C(=O)O)c1ccc(OCOc2ccc(Cl)cc2)cc1 to produce O=C(O)C(Oc1ccc(C(F)(F)F)cc1)c1ccc(OCOc2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.