You will be given a definition of a task first, then some input of the task.
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

 These data provide insight into SCN unresponsive to standard G - CSF treatment and to the potential corrective action of combined treatment with G - CSF and corticosteroids through synergistic activation of STAT5 .
Output:
G - CSF