Using CC(C)(C)[Si](C)(C)O[C@H]1COC[C@H]1N=[N+]=[N-] to produce CC(C)(C)[Si](C)(C)O[C@H]1COC[C@H]1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.