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: Palpable purpuric skin lesions on the anterior surface of both legs appeared on the 55th day of amphotericin B treatment.

Output: amphotericin B


Input: Consider Input: In a postoperative patient with pre-existent myasthenia gravis, oral verapamil caused a marked exacerbation in myasthenic weakness.

Output: verapamil


Input: Consider Input: This report describes a case of neuroleptic malignant syndrome due to risperidone in a child with Joubert syndrome.


Output: risperidone