Using Cc1cc(C2=NNC(=O)Cc3cc4c(cc32)OCO4)ccc1[N+](=O)[O-] to produce Cc1cc(C2=NNC(=O)Cc3cc4c(cc32)OCO4)ccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.