Using NS(=O)(=O)Cl, NC[C@@H]1C[C@H](S)CN1C(=O)OCc1ccc([N+](=O)[O-])cc1 to produce NS(=O)(=O)NC[C@@H]1C[C@H](S)CN1C(=O)OCc1ccc([N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.