Using CC(C)(C)[Si](C)(C)OC1(CCCNc2c([N+](=O)[O-])cnc3ccccc23)CCCCC1 to produce CC(C)(C)[Si](C)(C)OC1(CCCNc2c(N)cnc3ccccc23)CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.