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:
CONCLUSIONS: Topical brimonidine may be associated with central nervous system depression in infants.

Ex Output:
brimonidine


Ex Input:
L-DOPA-induced excessive daytime sleepiness in PD: a placebo-controlled case with MSLT assessment.

Ex Output:
L-DOPA


Ex Input:
This is the first case of HBV reactivation occurring during the year following rituximab monotherapy in the absence of any other immunosuppressive factor.

Ex Output:

rituximab