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:
Cyanamide-induced liver dysfunction after abstinence in alcoholics: a long-term follow-up study on four cases.

Ex Output:
Cyanamide


Ex Input:
DISCUSSION: Electrolyte disorders associated with foscarnet are reviewed.

Ex Output:
foscarnet


Ex Input:
A case of timolol-associated heart failure in a 73-year old white man is reported.

Ex Output:

timolol