Using O=[N+]([O-])c1c[nH]c(Cl)n1, CC1(CN2CC(CN=[N+]=[N-])OC2=O)CO1 to produce CC(O)(CN1CC(CN=[N+]=[N-])OC1=O)Cn1cc([N+](=O)[O-])nc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.