<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Prophylactic Rectal Indomethacin For Prevention Of Post-Embolization Syndrome In Patients Receiving Chemoembolization For Hepatocellular Carcinoma:A Randomized Double-Blinded Placebo-Controlled Study[/INST] Yes</s>