Using CCN(CC)CC, O=C(O)[C@H]1C[C@H](O)CN1C(=O)c1cc2c(cc1[N+](=O)[O-])OCO2 to produce NC(=O)C1CC(O)CN1C(=O)c1cc2c(cc1[N+](=O)[O-])OCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.