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: An acute ischaemic event associated with the use of venlafaxine: a case report and proposed pathophysiological mechanisms.

Output: venlafaxine


Input: Consider Input: Despite a very low complication rate, several severe arterial thrombotic events have been reported following thrombin injection of pseudoaneurysms.

Output: thrombin


Input: Consider Input: Psoriasis triggered by toll-like receptor 7 agonist imiquimod in the presence of dermal plasmacytoid dendritic cell precursors.


Output: imiquimod