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]: Proton MRS examination demonstrated a persistent lactate elevation during metronidazole treatment.
[A]: metronidazole


[Q]: We document the abrupt development of an extensive choroidal detachment after initiation of dorzolamide therapy in a surgically untreated eye with primary open-angle glaucoma.
[A]: dorzolamide


[Q]: Three senile patients developed fatal acute encephalopathy while receiving calcium hopantenate.
[A]:
calcium hopantenate