18409
Cobicistat is well tolerated and may become a preferred booster for antiretroviral regimens , as it can be coformulated with several agents to create simpler regimens .
 Chemical: Cobicistat
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