Using Cn1[nH]c(Br)cc1=O, O=S(=O)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F to produce Cn1nc(Br)cc1OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.