Using Cc1cc(Nc2nccc(C(F)(F)F)n2)cc(-c2cn[nH]c2)c1, C=C(C)CBr to produce C=C(C)Cn1cc(-c2cc(C)cc(Nc3nccc(C(F)(F)F)n3)c2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.