You will be given a definition of a task first, then some input of the task.
Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).

Abstract: Tissues acquired at autopsy from four patients with MS and biopsies from one patient with a probable diagnosis of MS were probed for the presence of OC43 RNA. This human coronavirus was not detected.
Which is the apt title for the abstract? option1: Probing for the human coronavirus OC43 in multiple sclerosis. option2: Major surgical procedures for gynecologic malignancy in elderly women.
Output:
Probing for the human coronavirus OC43 in multiple sclerosis.