Using S=C=Nc1ccc(Br)cc1, Nc1ccc(C(F)(F)F)cc1N to produce FC(F)(F)c1ccc2nc(Nc3ccc(Br)cc3)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.