Using COc1ccc(C2=C(c3ccc(OC)cc3)CC3C(=O)OC(=O)C3C2)cc1 to produce COc1ccc(C2=C(c3ccc(OC)cc3)CC(CO)C(CO)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.