Using CC1C(=O)NN=C2COc3cc(OCc4ccccc4)c([N+](=O)[O-])cc3N21 to produce CC1C(=O)NN=C2COc3cc(OCc4ccccc4)c(N)cc3N21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.