Using Cc1ccc(S(=O)(=O)Cl)cc1, CC(C)(C)OC(=O)N[C@@H]1CC[C@H](CO)C1 to produce Cc1ccc(S(=O)(=O)OC[C@H]2CC[C@@H](NC(=O)OC(C)(C)C)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.