15915
However , supplementation of 7 - oxysterols in cultured cells , secondary to cholesterol loading , preferentially slowed reduction of glucocorticoids , rather than oxidation .
 Chemical: 7 - oxysterols; Chemical: cholesterol
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: 7 - oxysterols; Chemical: cholesterol