Using ClCCl, COc1ccc(C(C)(C)C)cc1C=Cc1ccc(CO)cc1 to produce COc1ccc(C(C)(C)C)cc1C=Cc1ccc(CCl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.