7885
P ( GMA - TEPA ) ( 50 ) was then used as the cationic block in diblock copolymers containing hydrophilic N - ( 2 - hydroxypropyl ) methacrylamide ( HPMA ) and oligo ( ethylene glycol ) monomethyl ether methacrylate ( OEGMA ) .
 Chemical: P ( GMA - TEPA ) ( 50 ); Chemical: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA; Chemical: oligo ( ethylene glycol ) monomethyl ether methacrylate; Chemical: OEGMA
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: P ( GMA - TEPA ) ( 50 ); Chemical: N - ( 2 - hydroxypropyl ) methacrylamide; Chemical: HPMA; Chemical: oligo ( ethylene glycol ) monomethyl ether methacrylate; Chemical: OEGMA