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.

Ex Input:
Reversible posterior leukoencephalopathy syndrome in systemic lupus erythematosus with thrombocytopenia treated with cyclosporine.

Ex Output:
cyclosporine


Ex Input:
Pulmonary toxicity secondary to procarbazine.

Ex Output:
procarbazine


Ex Input:
Pulmonary edema as a delayed complication of ritodrine therapy.

Ex Output:

ritodrine