18172
Recently , we showed that the antihyperlipidemic drug probucol , which induces QT prolongation , decreases the I ( Ks ) after 24 - h treatment .
 Chemical: probucol
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 
Answer:
 Chemical: probucol