Using COC(=O)CC1CC(C=Cc2ccccc2)OC(C)(C)O1 to produce CC1(C)O[C@@H](CC(=O)O)C[C@@H](C=Cc2ccccc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.