Using O=C(Cl)C(Cl)Cl, CC1(C)N[C@H](CO)[C@@H](c2ccc(S(C)(=O)=O)cc2)O1 to produce CC1(C)O[C@H](c2ccc(S(C)(=O)=O)cc2)[C@@H](CO)N1C(=O)C(Cl)Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.