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: This report highlights a case of drug-induced dysphagia in a patient receiving haloperidol for obsessive nocturnal thoughts and auditory disturbances.
Example Output: haloperidol

Example Input: A case of the Rett syndrome with acute encephalopathy induced during calcium hopantenate treatment.
Example Output: calcium hopantenate

Example Input: Administration of intrathecal Ara-C in the same dose over longer intervals within 3-5 days between consecutive doses resulted in mild, transient neurological symptoms (paresthesias) in only one of 30 patients so treated.
Example Output:
Ara-C