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.

Ex Input:
Two infants developed hyperkalemia shortly after cessation of prolonged ACTH therapy for infantile spasms.

Ex Output:
ACTH


Ex Input:
We describe a case of pneumonitis following local administration of methotrexate for nonsurgical termination of an ectopic pregnancy.

Ex Output:
methotrexate


Ex Input:
The probable proarrhythmic action of amiodarone, although rare, is reviewed along with a discussion of the novel use of intravenous magnesium sulfate therapy.

Ex Output:

amiodarone