<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: Pcs12852, A Novel 5-Ht4 Agonist, Improves Gcsi Symptom Scores And Gastric Emptying In Gastroparesis Patients[/INST] Yes</s>