Using COc1cc(C(O)(Cc2ccccc2)Cc2ccccc2)cc(OC)c1C(C)C to produce CC(C)c1c(O)cc(C(=Cc2ccccc2)Cc2ccccc2)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.