Using O=Cc1cc(Cl)c(O)c(Cl)c1, CC(=O)C(C)=NO to produce Cc1oc(-c2cc(Cl)c(O)c(Cl)c2)[n+]([O-])c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.