Using CC(=O)OC(C)=O, CC[C@H](OC(=O)c1ccccc1)[C@@H]1C[C@@H](C)C(O)O1 to produce CC[C@H](OC(=O)c1ccccc1)[C@@H]1C[C@@H](C)C(OC(C)=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.