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