28082
In this study , tumor hyperthermia was utilized as a means to increase the active delivery of heat shock protein ( HSP ) targeted N - ( 2 - hydroxypropyl ) methacrylamide ( HPMA ) copolymer - drug conjugates .
 Chemical: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA
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: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA