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.

[EX Q]: CASES: "A" was an 8-year-old boy with attention deficit and chronic tic disorder who developed obsessive-compulsive symptoms within 2 weeks of starting risperidone.
[EX A]: risperidone

[EX Q]: We present a case report of a patient who developed a prolonged QT while being treated with oral methadone for a chronic pain syndrome.
[EX A]: methadone

[EX Q]: Cardiac toxicity related to BCNU has not been described well.
[EX A]:
BCNU