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.

Ex Input:
Twenty-four hours after the administration of gemcitabine, a symmetric, bullous, herpetiform eruption appeared on his trunk and upper limbs.

Ex Output:
gemcitabine


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

Ex Output:
Imatinib mesylate


Ex Input:
A 57-year-old woman presented with a 3-week history of dysphagia for solids, 6 months after starting treatment with nifedipine.

Ex Output:

nifedipine