Using CC(C)(C=Cc1ccc(Cl)cc1)COCc1cccc(Oc2ccccc2)c1 to produce CC(C)(CCc1ccc(Cl)cc1)COCc1cccc(Oc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.