16586
Statins are inhibitors of the enzyme 3 - hydroxy - 3 - methylglutaryl coenzyme A reductase , the rate - limiting step in cholesterol biosynthesis .
 Chemical: 3 - hydroxy - 3 - methylglutaryl coenzyme A; 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: 3 - hydroxy - 3 - methylglutaryl coenzyme A; Chemical: cholesterol