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.

Input: Consider Input: Leishmania infantum leishmaniasis in corticosteroid--treated patients.

Output: corticosteroid


Input: Consider Input: We describe a patient with CREST syndrome (calcinosis, Raynaud's phenomenon, esophageal dysfunction, sclerodactyly, and telangiectasia) who paradoxically experienced worsening of Raynaud's phenomenon when using yohimbine for ED.

Output: yohimbine


Input: Consider Input: This paper reports a case of fatal perhexiline maleate liver injury.


Output: perhexiline maleate