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:
In one child, a second course of carbamazepine resulted in a return of the dystonia.

Ex Output:
carbamazepine


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

Ex Output:
ATRA


Ex Input:
We describe 3 elderly patients with moderate to severe ataxia that occurred while they were taking propafenone.

Ex Output:

propafenone