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:
Neurophysiological mechanisms which aid in elucidating the role of disulfiram in the etiology of catatonia are discussed.

Ex Output:
disulfiram


Ex Input:
IFNalpha-induced recurrence of Graves' disease ten years after thyroidectomy in chronic viral hepatitis C.

Ex Output:
IFNalpha


Ex Input:
Thiopurine methyltransferase deficiency occurs at a frequency of one in 300 and is associated with profound myelosuppression after a short course of azathioprine.

Ex Output:

azathioprine