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:
Worsening of neurologic syndrome in patients with Wilson's disease with initial penicillamine therapy.

Ex Output:
penicillamine


Ex Input:
The most serious dental side effect of bisphosphonate treatment (particularly when it is administered intravenously) is, paradoxically, osteonecrosis of the mandible or the maxilla represented by exposed nonhealing bone.

Ex Output:
bisphosphonate


Ex Input:
Although the two local anesthetics usually do not cause methemoglobinemia, we suspect that the displacement of lidocaine from protein binding by bupivacaine, in combination with metabolic acidosis and treatment with other oxidants, was the reason for the development of methemoglobinemia.

Ex Output:

lidocaine