instruction:
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.
question:
A patient that received methadone for cancer-associated pain developed myoclonus as a side effect.
answer:
methadone


question:
The changes were progressive regardless of discontinuation of cyclophosphamide and led to severe restrictive ventilatory defect.
answer:
cyclophosphamide


question:
The use of rituximab has been uncommonly associated with delayed pulmonary toxicity.
answer:

rituximab