Using CCOC(=O)C(C)CN(CCC(C)C)c1nc(Cl)ncc1[N+](=O)[O-] to produce CC(C)CCN1CC(C)C(=O)Nc2cnc(Cl)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.