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: Transient asymptomatic bradycardia in patients on infusional 5-fluorouracil.
Example Output: 5-fluorouracil

Example Input: We describe a patient who, after receiving his first dose of pregabalin to relieve neuropathic pain, presented with a negative myoclonus.
Example Output: pregabalin

Example Input: Therefore, parenteral amiodarone was implicated as the cause of acute hepatitis in this patient.
Example Output:
amiodarone