11415
Optimization of benzyloxazoles as non - nucleoside inhibitors of HIV - 1 reverse transcriptase to enhance Y181C potency .
 Chemical: benzyloxazoles; 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: benzyloxazoles; Chemical: nucleoside