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:
This is the first case of hydroxyurea-induced acute interstitial pneumonitis reported in the literature.

Ex Output:
hydroxyurea


Ex Input:
This report details the pulmonary pathologic findings in four patients with rheumatoid arthritis, who developed new onset of pulmonary signs and symptoms with alveolar infiltrates temporally related to the institution of etanercept therapy.

Ex Output:
etanercept


Ex Input:
Neurotoxicity of intrathecal methotrexate: MR imaging findings.

Ex Output:

methotrexate