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.

[Q]: Toxicity related to chloroquine treatment of resistant vivax malaria.
[A]: chloroquine


[Q]: RESULTS: All cases developed corneal endothelial deposits after previous use of rifabutin.
[A]: rifabutin


[Q]: A 67-year-old man developed diarrhea shortly after a 10-day course of oral ampicillin.
[A]:
ampicillin