Using C#Cc1cc2ncnc(Cl)c2s1, C[Si](C)(C)CN=[N+]=[N-] to produce C[Si](C)(C)Cn1cc(-c2cc3ncnc(Cl)c3s2)nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.