Using FC(F)(F)c1cncc(Br)c1, Cc1cc(NC(=O)c2nc(C)sc2N)ccn1 to produce Cc1cc(NC(=O)c2nc(C)sc2Nc2cncc(C(F)(F)F)c2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.