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: The psychotic behavior resolved completely soon after the discontinuation of levetiracetam.

Output: levetiracetam


Input: Consider Input: These cases and a review of the literature suggested that hepatotoxicity, though rare, should be added to the list of adverse reactions to D-penicillamine.

Output: D-penicillamine


Input: Consider Input: Pulmonary hypertension during lithium therapy: clinical case study.


Output: lithium