<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: Treatment Outcomes And Predictors Of Disease Flare In Patients With Ulcerative Colitis Undergoing Tofacitinib Dose De-Escalation:A Real-World Experience[/INST] Yes</s>