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: A case of aseptic pleuropericarditis in a patient with chronic plaque psoriasis under methotrexate therapy.

Output: methotrexate


Input: Consider Input: Pulmonary toxicity secondary to procarbazine.

Output: procarbazine


Input: Consider Input: Acute delirium resulting from levofloxacin therapy is an exceedingly rare complication that has been thought to occur more commonly in elderly patients.


Output: levofloxacin


