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: A 62-year-old Indian with diabetic nephropathy controlled with metformin, developed miliary tuberculosis for which he was treated with rifampicin, isoniazid and ethambutol.

Output: metformin


Input: Consider Input: Exposure of the fetus to indomethacin by administration of the drug to the mother may cause many side effects, including premature closure of the ductus arteriosus.

Output: indomethacin


Input: Consider Input: We report a myeloma patient who developed severe paralytic ileus during bortezomib therapy, which presented in the context of progressive constipation without other known causes and which regressed promptly with medical management after drug cessation, suggesting a direct causal relationship.


Output: bortezomib