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.

Example Input: METHODS: In an institutional practice setting, two women, aged 25 and 45, developed acute myopia after starting topiramate for epilepsy.
Example Output: topiramate

Example Input: Clostridium difficile colitis associated with cisplatin-based chemotherapy in ovarian cancer patients.
Example Output: cisplatin

Example Input: These novel findings may offer specific therapeutic targets in the treatment of BCNU-associated pulmonary fibrosis.
Example Output:
BCNU