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:
Delay of corneal wound healing in patients treated with colchicine.

Ex Output:
colchicine


Ex Input:
Premature closure of the ductus arteriosus: variable response among monozygotic twins after in utero exposure to indomethacin.

Ex Output:
indomethacin


Ex Input:
Reversible valproic acid-induced dementia was documented in a 21-year-old man with epilepsy who had a 3-year history of insidious progressive decline in global cognitive abilities documented by serial neuropsychological studies.

Ex Output:

valproic acid