<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: Role Of Oral Vancomycin Prophylaxis In Preventing Recurrent Clostridioides Difficile Infection In Hospitalized Patients Requiring Antibiotics: A Randomized Controlled Trial[/INST] Yes</s>