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

Example Input: Thalidomide was withdrawn from world markets in 1961 following recognition of its teratogenic effects.
Example Output: Thalidomide

Example Input: Jaundice induced by streptokinase.
Example Output:
streptokinase