Using CC([O-])=S, CC(OS(C)(=O)=O)C1CCN(C(=O)OC(C)(C)C)CC1 to produce CC(=O)SC(C)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.