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 Input:
However, recurrent staphylococcus aureus sepsis developed during CyA therapy.

Ex Output:
CyA


Ex Input:
Pregabalin-induced cortical negative myoclonus in a patient with neuropathic pain.

Ex Output:
Pregabalin


Ex Input:
We describe a life threatening side effect of acute epoprostenol infusion (pulmonary edema) in a patient with pulmonary hypertension associated with limited scleroderma and discuss its management and potential etiology.

Ex Output:

epoprostenol