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: Cryptococcus neoformans fatal sepsis in a chronic lymphocytic leukemia patient treated with alemtuzumab: case report and review of the literature.
Example Output: alemtuzumab

Example Input: A 56-year-old Caucasian man who received concomitant chemotherapy and radiation for head and neck cancer developed fever concurrent with the administration of amifostine.
Example Output: amifostine

Example Input: We report the case of a patient with the acquired immunodeficiency syndrome treated with rifampicin who had a 'normal' screening test for adrenal insufficiency, yet had clinical evidence of adrenal failure.
Example Output:
rifampicin