Using CS(=O)(=O)c1cc(Cl)c(-n2cc3cnccc3n2)c(Cl)c1, O=C(OO)c1cccc(Cl)c1 to produce CS(=O)(=O)c1cc(Cl)c(-n2cc3c[n+]([O-])ccc3n2)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.