21482
Azilsartan ( in some countries ) , candesartan , and olmesartan are orally administered as prodrugs , whereas the blocking action of some is mediated through active metabolites .
 Chemical: Azilsartan; Chemical: candesartan; Chemical: olmesartan
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: Azilsartan; Chemical: candesartan; Chemical: olmesartan