Using CS(=O)(=O)Cl, CC(C)(C)OC(=O)[C@@H](CC(O)CO)[C@@H](C(=O)OCc1ccccc1)N(Cc1ccccc1)Cc1ccccc1 to produce CC(C)(C)OC(=O)[C@@H](CC(O)COS(C)(=O)=O)[C@@H](C(=O)OCc1ccccc1)N(Cc1ccccc1)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.