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.

Q: However, recurrent staphylococcus aureus sepsis developed during CyA therapy.

A: CyA
****
Q: The fluorine contained in niflumic acid induced a marked densification of trabecular bone in all 3 cases.

A: niflumic acid
****
Q: Fatal pulmonary fibrosis associated with BCNU: the relative role of platelet-derived growth factor-B, insulin-like growth factor I, transforming growth factor-beta1 and cyclooxygenase-2.

A:
BCNU
****