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.

Input: Consider Input: The patient received only the ophthalmic sulfonamide, and it was used for one day, but he developed Stevens-Johnson syndrome.

Output: sulfonamide


Input: Consider Input: Neutropenia is an infrequent complication following administration of the angiotensin-converting enzyme (ACE) inhibitor, captopril.

Output: captopril


Input: Consider Input: He became hyperkalemic on rechallenge with timolol and normokalemic following its withdrawal.


Output: timolol