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: Fulminant hepatitis and lymphocyte sensitization due to propylthiouracil.
Example Output: propylthiouracil

Example Input: Acute renal failure in a child associated with acyclovir.
Example Output: acyclovir

Example Input: The authors suggest that in patients with corneal ulcers refractory to conventional treatment who are receiving colchicine, cessation of colchicine therapy should be considered.
Example Output:
colchicine