Using COC(=O)[C@H](N)C(C)C, O=S(=O)(Cl)c1ccc2nc(Cl)sc2c1 to produce COC(=O)[C@H](NS(=O)(=O)c1ccc2nc(Cl)sc2c1)C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.