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:
Ovarian endometrioid adenocarcinoma arising from an endometriotic cyst in a postmenopausal woman under tamoxifen therapy for breast cancer: a case report.

Ex Output:
tamoxifen


Ex Input:
A 43-year-old woman with multiple sclerosis (MS) had nephrotic syndrome 21 months after starting treatment with interferon (IFN)-beta-1b (subcutaneous administration).

Ex Output:
interferon (IFN)-beta-1b


Ex Input:
HUS has been reported after several anticancer chemotherapies and most often after mitomycin C-based chemotherapy regimens.

Ex Output:

mitomycin C