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:
Fatal pulmonary fibrosis induced by paclitaxel: a case report and review of the literature.

Ex Output:
paclitaxel


Ex Input:
Toxicity related to chloroquine treatment of resistant vivax malaria.

Ex Output:
chloroquine


Ex Input:
These results indicate that lithium may cause biochemical hyperparathyroidism.

Ex Output:

lithium