Using CC([O-])=S, C=CCOC(=O)N1C[C@H](OS(C)(=O)=O)C[C@H]1C(O)c1cn2cncc2s1 to produce C=CCOC(=O)N1C[C@@H](SC(C)=O)C[C@H]1C(O)c1cn2cncc2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.