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.

Input: Consider Input: Successful treatment with carbimazole of a hyperthyroid pregnancy with hepatic impairment after propylthiouracil administration: a case report.

Output: propylthiouracil


Input: Consider Input: Acute reversible ataxo-myoclonic encephalopathy with flecainide therapy.

Output: flecainide


Input: Consider Input: We described a very atypical case of a high stage, high grade endometrial cancer associated with tamoxifen in a 64-year-old woman with a past history of breast cancer.


Output: tamoxifen