15908
However , it can also metabolize alternative substrates , including 7 beta - hydroxy - and 7 - keto - cholesterol ( 7 beta OHC , 7KC ) .
 Chemical: 7 beta - hydroxy - and 7 - keto - cholesterol; Chemical: 7 beta OHC; Chemical: 7KC
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 beta - hydroxy - and 7 - keto - cholesterol; Chemical: 7 beta OHC; Chemical: 7KC