Using CCCCCN1C(=O)C(C)(C)c2cc(NC(C)C)c([N+](=O)[O-])cc21 to produce CCCCCN1C(=O)C(C)(C)c2cc(NC(C)C)c(N)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.