Using CC(C)(C)c1cc(Br)cc(O)n1, Cc1ccc(S(=O)(=O)OCC(F)(F)F)cc1 to produce CC(C)(C)c1cc(Br)cc(OCC(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.