Using CCCCCCCCC(/C=C/C=C/c1cccc(CO)c1)OC(C)=O to produce CCCCCCCCC(/C=C/C=C/c1cccc(C=O)c1)OC(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.