Using Cn1c(NS(=O)(=O)c2ccccc2)nc2ccccc21, FC(F)(F)c1cccc(CBr)c1 to produce Cn1c(N(Cc2cccc(C(F)(F)F)c2)S(=O)(=O)c2ccccc2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.