Using C[S-], CC(C)(C)OC(=O)N1CC[C@@H]([C@H]2CO2)C1 to produce CSC[C@@H](O)[C@@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.