You will be given a definition of a task first, then some input of the task.
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.

Renal failure appeared 8 to 17 days after beginning gentamicin therapy and was characterized by creatinine clearances 4 to 10 ml/min, urine to plasma creatinine ratios less than 20, urinary sodium concentrations 16 to 60 mEq/liter, proteinuria, and cylindruria.
Output:
gentamicin