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: The spectrum of nitrofurantoin lung injury continues to widen.
Example Output: nitrofurantoin

Example Input: The frequency and relationship of granulocytopenia caused by sustained-release procainamide in patients with tachyarrhythmias are briefly discussed, and prior reported cases are reviewed.
Example Output: procainamide

Example Input: These cases highlight the occurrence of livedo reticularis as an uncommon side-effect of interferon alpha treatment.
Example Output:
interferon alpha