Using CCOC(=O)C1CCN(c2ncc(-c3cccc([N+](=O)[O-])c3)s2)CC1 to produce CCOC(=O)C1CCN(c2ncc(-c3cccc(N)c3)s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.