Using C[Si](C)(C)C=[N+]=[N-], CC1(c2cccc(C#N)c2)CCN(Cc2ccccc2)CC1 to produce CC1(c2cccc(-c3nn[nH]c3[Si](C)(C)C)c2)CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.