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:
Selective estrogen receptor modulator raloxifene-associated aggravation of nonalcoholic steatohepatitis.

Ex Output:
raloxifene


Ex Input:
Pellagra should be suspected whenever tuberculous patients under treatment with isoniazid develop mental, neurological or gastrointestinal symptoms, even in the absence of typical pellagra dermatitis.

Ex Output:
isoniazid


Ex Input:
A patient, while on intravenous ritodrine therapy for preterm labor, experienced an episode of acute chest pain.

Ex Output:

ritodrine