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.

Input: Consider Input: Stupor and fast activity on electroencephalography in a child treated with valproate.

Output: valproate


Input: Consider Input: After stopping indapamide, glucose tolerance impairing may be reversed.

Output: indapamide


Input: Consider Input: We report 2 patients who developed polyarteritis nodosa following vaccination against hepatitis B.


Output: vaccination against hepatitis B