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: MATERIALS AND METHODS: We present two cases of significant morbidity related to primary and secondary perforation of the bladder following two instillations of epirubicin.
Example Output: epirubicin

Example Input: Widespread cutaneous vasculitis associated with diltiazem.
Example Output: diltiazem

Example Input: This is the first report of a possible association between an acute cardiovascular event and venlafaxine.
Example Output:
venlafaxine