18406
Cobicistat has been studied as a booster for elvitegravir , a second - generation integrase inhibitor , and protease inhibitors .
 Chemical: Cobicistat; Chemical: elvitegravir
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: Cobicistat; Chemical: elvitegravir