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:
Cimetidine-induced fever.

Ex Output:
Cimetidine


Ex Input:
We believe that this is the first report of secretory carcinoma of the endometrium associated with tamoxifen use.

Ex Output:
tamoxifen


Ex Input:
This report describes a 13-year-old female with a right frontal high-grade glioma and complex partial seizures who developed localized purpura after 23 months of lamotrigine monotherapy.

Ex Output:

lamotrigine