18174
Probucol did not inhibit cholesterol synthesis and had no effect on I ( KCNQ1 ) , while I ( Ks ) decreased after 24 - h treatment .
 Chemical: Probucol; Chemical: cholesterol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Probucol, cholesterol 
Answer:
 Chemical: Probucol; Chemical: cholesterol