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:
Bronchiolitis obliterans with organizing pneumonia after rituximab therapy for non-Hodgkin's lymphoma.

Ex Output:
rituximab


Ex Input:
Acute nitrite toxicity results from industrial exposure, accidental ingestion (e.g., abuse of organic nitrites as an aphrodisiac, especially in the male homosexual population), and suicidal ingestion.

Ex Output:
nitrite


Ex Input:
There are no previous reports in the literature about the emergence of CML during treatment with hydroxyurea.

Ex Output:

hydroxyurea