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: Rhabdomyolysis has been recognized as a complication of tocolytic therapy with ritodrine hydrochloride.
Example Output: ritodrine hydrochloride

Example Input: Imatinib mesylate-related fatal acute hepatic failure in a patient with chronic myeloid leukaemia and chronic hepatitis B infection.
Example Output: Imatinib mesylate

Example Input: Massive prolapse of the urethral mucosa following periurethral injection of calcium hydroxylapatite for stress urinary incontinence.
Example Output:
calcium hydroxylapatite