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

Ex Output:
propafenone


Ex Input:
Primary CNS lymphoma complicating treatment of myasthenia gravis with mycophenolate mofetil.

Ex Output:
mycophenolate mofetil


Ex Input:
Didanosine also has a potential for inducing seizures.

Ex Output:

Didanosine