Detailed Instructions: In this task, you will be given a passage to read. A fill in the blank question will be given to you.  Your answer should fit the blank appropriately.
Problem: The application of the Johnson – Corey – Chaykovsky reaction in organic synthesis is diverse . The reaction has come to encompass reactions of many types of sulfur ylides with electrophiles well beyond the original publications . It has seen use in a number of high @-@ profile total syntheses , as detailed below , and is generally recognized as a powerful transformative tool in the organic repertoire . fill in the blank  :  The application of the Johnson – Corey – Chaykovsky reaction in __________________ synthesis is diverse . 
Solution:
 organic 