Using Fc1ccc(CBr)cc1Oc1ccccc1, CC1(C)C(OCC(F)(F)F)C1C(=O)O to produce CC1(C)C(OCC(F)(F)F)C1C(=O)OCc1ccc(F)c(Oc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.