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]: We report 3 children with epilepsy who developed facial motor tics after initiation of CBZ for complex partial seizures.
[A]: CBZ


[Q]: Acute myeloid leukemia evolving from essential thrombocythemia in two patients treated with hydroxyurea.
[A]: hydroxyurea


[Q]: Atrial fibrillation after vardenafil therapy.
[A]:
vardenafil