<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: Randomized, Double-Blind, Multicenter Study To Evaluate The Efficacy And Safety Of Dwp14012 (Fexuprazan) According To The Timing Of Dosing In Patients With Erosive Esophagitis[/INST] Yes</s>