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: This report details a case of bilateral avascular necrosis of the femoral heads in a patient receiving 'standard' doses of dexamethasone as part of the antiemetic regimen used in cisplatin-based combination chemotherapy.
Example Output: dexamethasone

Example Input: We describe a case of subcutaneous metastasis along the needle track after percutaneous ethanol injection (PEI) for treatment of hepatocellular carcinoma.
Example Output: ethanol

Example Input: In one case, the readministration of riluzole was followed by the relapse of hepatitis.
Example Output:
riluzole