23388
Rilpivirine and etravirine are second generation non - nucleoside reverse transcriptase inhibitors approved recently by the United States Food and Drug Administration for the treatment of human immunodeficiency virus - 1 infection .
 Chemical: Rilpivirine; Chemical: etravirine; Chemical: nucleoside
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: Rilpivirine; Chemical: etravirine; Chemical: nucleoside