A 77-year-old female patient experienced an ischemic stroke 6 days ago and has a nasogastric NG tube in place to facilitate tube feeding. The care team has arranged for many of the patient's medications to be made available in liquid form but not all of her medications are available in liquid form. As a result, the nurses have been crushing some of the patient's pills and administering them with warm tap water. Which of the following medications should not be administered in this manner