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: OBJECTIVE: To report a case of severe chloroquine toxicity in the presence of high-grade chloroquine-resistant Plasmodium vivax.
Example Output: chloroquine

Example Input: Neurophysiological mechanisms which aid in elucidating the role of disulfiram in the etiology of catatonia are discussed.
Example Output: disulfiram

Example Input: On the 3rd day, an inferior vena cava (IVC) filter was placed with a heparin flush, after which massive IVC thrombosis developed.
Example Output:
heparin