Using N#CN(Cc1cc(C(F)(F)F)cc(C(F)(F)F)c1)Cc1cc(C(F)(F)F)ccc1Br, C[Si](C)(C)N=[N+]=[N-] to produce FC(F)(F)c1cc(CN(Cc2cc(C(F)(F)F)ccc2Br)c2nn[nH]n2)cc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.