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:
A young patient experienced marked sinus tachycardia while smoking marijuana and receiving therapeutic doses of nortriptyline.

Ex Output:
nortriptyline


Ex Input:
Corneal endothelial deposits associated with rifabutin use.

Ex Output:
rifabutin


Ex Input:
He was diagnosed with possible serotonin syndrome; his symptoms resolved after clomipramine was stopped but before clozapine was restarted eight days later.

Ex Output:

clomipramine