Using CCCC(=O)Cl, O=[N+]([O-])N=C1NCCN1CC1CCOC1 to produce CCCC(=O)N1CCN(CC2CCOC2)C1=N[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.