26264
Helicity as a Steric Force : Stabilization and Helicity - Dependent Reversion of Colored o - Quinonoid Intermediates of Helical Chromenes .
 Chemical: o - Quinonoid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: o - Quinonoid