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.

Ex Input:
Warfarin-associated thoracic aortic dissection in an elderly woman.

Ex Output:
Warfarin


Ex Input:
To our knowledge, this is the first report of significant hypotension associated with intravenous valproate in the treatment of status epilepticus in the pediatric population.

Ex Output:
valproate


Ex Input:
Metabolic acidosis induced by acetazolamide.

Ex Output:

acetazolamide