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: First case of ivermectin-induced severe hepatitis.
Example Output: ivermectin

Example Input: While for ribavirin antidepressant effects are not known, we suppose that antidepressants may prevent changes in serotonergic or noradrenergic neurotransmission caused by IFN-alpha.
Example Output: IFN-alpha

Example Input: We describe 3 cases of diphenhydramine-induced cardiac toxicity that were responsive to bicarbonate.
Example Output:
diphenhydramine