Using N#CCCc1csc(Nc2ncc(Br)cc2Oc2ccccc2)n1, C[Si](C)(C)N=[N+]=[N-] to produce Brc1cnc(Nc2nc(CCc3nnn[nH]3)cs2)c(Oc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.