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:
The authors describe a patient with hemiparesis who developed the syndrome of irreversible lithium-effectuated neurotoxicity (SILENT) while being treated with lithium for a manic episode.

Ex Output:
lithium


Ex Input:
After stopping indapamide, glucose tolerance impairing may be reversed.

Ex Output:
indapamide


Ex Input:
Two patients treated for chronic myeloid leukemia with high doses of CCNU (1100 mg/m2 and 1240 mg/m2, respectively) developed a fatal pulmonary fibrosis.

Ex Output:

CCNU