Using OCc1ccc(C(F)(F)F)cc1, Cn1cnc(Cl)c(Br)c1=O to produce Cn1cnc(OCc2ccc(C(F)(F)F)cc2)c(Br)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.