You will be given a definition of a task first, then some input of the task.
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.

One patient on ouabain also developed cardiomyopathy.
Output:
ouabain