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: We suggest that objective evaluation of retinal function with electrophysiological methods should be performed in patients with visual disturbance during treatment with rifabutin.
Example Output: rifabutin

Example Input: Based on the clinical status of the patient, it was suspected that several conditions contributed to the abnormal hypersensitivity to warfarin.
Example Output: warfarin

Example Input: Hemodynamic collapse following labetalol administration in preeclampsia.
Example Output:
labetalol