Using CCCCCOc1c(OC)ccc2c(=O)n(CCc3ccc([N+](=O)[O-])cc3)c(=O)[nH]c12 to produce CCCCCOc1c(OC)ccc2c(=O)n(CCc3ccc(N)cc3)c(=O)[nH]c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.