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: Life-threatening alterations in heart rate after the use of adenosine in atrial flutter.
Example Output: adenosine

Example Input: We present a case report of a patient who developed a prolonged QT while being treated with oral methadone for a chronic pain syndrome.
Example Output: methadone

Example Input: An adult male presented with central blindness after ingesting methanol.
Example Output:
methanol