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: Oxcarbazepine-associated angioedema manifested by swelling of the face, eyes, lips, or tongue or difficulty swallowing or breathing (or both) is a rare but potentially life-threatening reaction for which early recognition and management are vital.

Output: Oxcarbazepine


Input: Consider Input: RESULTS: All cases developed corneal endothelial deposits after previous use of rifabutin.

Output: rifabutin


Input: Consider Input: Based on our experience and on previously published data, serum ammonia levels appear to be indicated in all ED patients on valproic acid therapy who present with altered mental status.


Output: valproic acid