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.

Example Input: Vigabatrin-induced visual field defects are at present the most important safety issue in the use of the drug.
Example Output: Vigabatrin

Example Input: Interstitial granulomatous dermatitis associated with darifenacin.
Example Output: darifenacin

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