Using CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](OC(C)=O)CS[C@H]1Oc1ccccc1C(C)=O to produce CC(=O)c1ccccc1O[C@@H]1SC[C@@H](O)[C@H](O)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.