Using CCCCCCCCc1ccc(CNCC#N)cc1, C[Si](C)(C)N=[N+]=[N-] to produce CCCCCCCCc1ccc(CNCc2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.