17620
Human diets contain sterol oxidation products that can induce cytotoxic effects , mainly caused by cholesterol oxides .
 Chemical: sterol; Chemical: cholesterol oxides
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: sterol; Chemical: cholesterol oxides