Using Cc1cc([N+](=O)[O-])cc(Br)c1O, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce Cc1cc([N+](=O)[O-])cc(Br)c1OS(=O)(=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.