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:
IFNalpha-induced recurrence of Graves' disease ten years after thyroidectomy in chronic viral hepatitis C.

Ex Output:
IFNalpha


Ex Input:
We report the case of a child with metastatic osteosarcoma, who experienced an anaphylactic/anaphylactoid reaction to methotrexate.

Ex Output:
methotrexate


Ex Input:
A 16-year-old white male with acute biphenotypic leukemia developed evidence of the eosinophilia myalgia syndrome associated with total parenteral nutritional support with solutions containing tryptophan, which were given during his initial induction chemotherapy and also after autologous marrow transplantation.

Ex Output:

tryptophan