Using Cc1ccc(S(=O)(=O)n2ncc3c(C#N)cc(Br)cc32)cc1, C[Si](C)(C)N=[N+]=[N-] to produce Cc1ccc(S(=O)(=O)n2ncc3c(-c4nnn[nH]4)cc(Br)cc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.