Using COc1ccc(CCNc2cc(-c3cccc(C#N)c3)nc(OC)n2)cc1, C[Si](C)(C)N=[N+]=[N-] to produce COc1ccc(CCNc2cc(-c3cccc(-c4nnn[nH]4)c3)nc(OC)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.