7122
Micelles of zinc protoporphyrin conjugated to N - ( 2 - hydroxypropyl ) methacrylamide ( HPMA ) copolymer for imaging and light - induced antitumor effects in vivo .
 Chemical: zinc protoporphyrin; 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: zinc protoporphyrin; Chemical: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA