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: CONCLUSIONS: The pathogenesis of methotrexate-induced papular eruption in collagen vascular diseases may suggest cutaneous small-vessel vasculitis.
Example Output: methotrexate

Example Input: The oligohidrosis caused by zonisamide was reversible in that the patient regained the ability to sweat within 2 weeks of the cessation of drug administration.
Example Output: zonisamide

Example Input: CASE SUMMARY: Two children with attention deficit disorder treated with methylphenidate as a simple drug developed fixed drug eruption of the scrotum.
Example Output:
methylphenidate