Using CC(C)(CCCCc1cccc(C=Cc2ccc(CO)c(CO)c2)c1)OC1CCCCO1 to produce CC(C)(O)CCCCc1cccc(C=Cc2ccc(CO)c(CO)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.