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.

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

Output: tamoxifen


Input: Consider Input: The diagnosis was supported by the temporal course of renal deterioration during exposure to cefuroxime and improvement on its discontinuation; the pattern repeated with rechallenge.

Output: cefuroxime


Input: Consider Input: We report such a series of patients who had transient asymptomatic bradycardia after being treated with continuous infusion 5-FU.


Output: 5-FU