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: Hemorrhagic cystitis is a significant toxic effect of cyclophosphamide therapy.
Example Output: cyclophosphamide

Example Input: Paraplegia following intrathecal cytosine arabinoside.
Example Output: cytosine arabinoside

Example Input: A case of noncardiogenic pulmonary edema by ethanolamine oleate.
Example Output:
ethanolamine oleate