Using CS(=O)(=O)Cl, Nc1ccc(Cl)c([N+](=O)[O-])c1 to produce CS(=O)(=O)Nc1ccc(Cl)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.