Using CC1(CN2CCOC2=O)CO1, O=[N+]([O-])c1c[nH]c(Cl)n1 to produce CC1(CN2CCOC2=O)Cn2cc([N+](=O)[O-])nc2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.