19787
Chemical enhancement : Designed to target HIV - 1 protease , a novel gamma - hydroxyphosphonate has been found to significantly enhance viral replication in a panel of clinically relevant R5 HIV - 1 isolates .
 Chemical: gamma - hydroxyphosphonate
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: gamma - hydroxyphosphonate