<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: Efficacy And Safety Of Prucalopride In Patients With Chronic Idiopathic Constipation Stratified By Age: A Post Hoc Analysis Of Phase 3 And 4 Clinical Trials[/INST] Yes</s>