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: We report a case of a bullous lichenoid eruption due to the intake of captopril.

Output: captopril


Input: Consider Input: Life-threatening alterations in heart rate after the use of adenosine in atrial flutter.

Output: adenosine


Input: Consider Input: Niacin maculopathy.


Output: Niacin