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: Data have been published regarding the possibility that tamoxifen may be responsible for the subsequent development of carcinoma of the corpus uteri in these patients.

Output: tamoxifen


Input: Consider Input: When the disease recurred conventional amphotericin B was used again, but had to be stopped because of severe side effects.

Output: amphotericin B


Input: Consider Input: Anterior lumbosacral radiculopathy after intrathecal methotrexate treatment.


Output: methotrexate