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

Output: tamoxifen


Input: Consider Input: Typically, drug-induced neutropenia occurs in a patient receiving a semisynthetic penicillin for two weeks or more.

Output: penicillin


Input: Consider Input: The male patient was treated with 225-mg/day clozapine and the time to the diagnosis of agranulocytosis was 6 weeks.


Output: clozapine