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.

Example Input: Acute erythroid leukemia after cyclophosphamide therapy for multiple myeloma: report of two cases.
Example Output: cyclophosphamide

Example Input: Skin necrosis after extravasation of low-dose vasopressin administered for septic shock.
Example Output: vasopressin

Example Input: On the other hand, aspirin may have promoted the enlargement of spontaneous hemorrhage from meningioma.
Example Output:
aspirin