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: We believe that this is the first report of secretory carcinoma of the endometrium associated with tamoxifen use.
Example Output: tamoxifen

Example Input: CONCLUSIONS: Topical brimonidine may be associated with central nervous system depression in infants.
Example Output: brimonidine

Example Input: However, adenosine shortens the antegrade refractoriness of accessory atrioventricular connections and may cause acceleration of the ventricular rate during atrial fibrillation.
Example Output:
adenosine