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: To our knowledge, this is the first report of insulin-induced lipohypertrophy with detailed histological examinations.
Example Output: insulin

Example Input: Cessation of D-Pen and the start of corticosteroid therapy were followed by recovery from bicytopenia.
Example Output: D-Pen

Example Input: We report the development of scrotal ulcer in a patient with acute promyleocytic leukemia (APL) within 10 days of treatment with ATRA at a dose of 40 mg orally twice daily.
Example Output:
ATRA