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: A 52 year-old male patient diagnosed of ankylosing spondylitis presented with an iron deficiency anemia after a ten-month treatment of methotrexate.
Example Output: methotrexate

Example Input: A 65-year-old woman, in the intensive care unit because of septic shock and acute renal failure, had a small-bowel obstruction due to Amphojel concretions.
Example Output: Amphojel

Example Input: Valproate embryopathy in three sets of siblings: further proof of hereditary susceptibility.
Example Output:
Valproate