Using CCOC(=O)C(C)(C)CN(c1nc(Cl)ncc1[N+](=O)[O-])C1CCCC1 to produce CCOC(=O)C(C)(C)CN(c1nc(Cl)ncc1N)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.