In this task, you will be given sentences in which your task is to recognize the name of the drug or medicine. Drugs are substances that change a person's mental or physical state. They can affect how your brain works, how you feel and behave, your understanding, and your senses. Although there might be several correct answers, you need to write one of them.

Example Input: Treatment of APL in pregnancy is controversial as the use of ATRA has been questioned due to the teratogenic effect of retinoids.
Example Output: ATRA

Example Input: Diarrhea-associated over-anticoagulation in a patient taking warfarin: therapeutic role of cholestyramine.
Example Output: warfarin

Example Input: Two case reports of bilateral granulomatous anterior uveitis are described in patients with open angle glaucoma treated with metripranolol 0.6% eye drops.
Example Output:
metripranolol