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: Nine eyes from 6 patients, 74 years to 90 years of age, referred by ophthalmologists for repair of cicatricial entropion after at least 2 years of twice-a-day application of dipivefrin.
Example Output: dipivefrin

Example Input: Carbamazepine-induced tics.
Example Output: Carbamazepine

Example Input: The clinical course suggests that the interstitial pneumonitis was induced by hydroxyurea.
Example Output:
hydroxyurea