Using COC(=O)c1ccc(/C=C(/C)c2ccc(OC)c(C34CC5CC(CC(C5)C3)C4)c2)cc1 to produce COc1ccc(/C(C)=C/c2ccc(C(=O)O)cc2)cc1C12CC3CC(CC(C3)C1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.