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:
The oligohidrosis caused by zonisamide was reversible in that the patient regained the ability to sweat within 2 weeks of the cessation of drug administration.

Ex Output:
zonisamide


Ex Input:
We report a case of RTA secondary to FK506 administration in liver transplantation.

Ex Output:
FK506


Ex Input:
We report a case of senna-induced cholestatic hepatitis which was not diagnosed at presentation.

Ex Output:

senna