7887
However , the presence of the HPMA / OEGMA block significantly decreased the transfection efficacy of P ( GMA - TEPA ) ( 50 ) homopolycation .
 Chemical: HPMA; Chemical: OEGMA; Chemical: P ( GMA - TEPA ) ( 50 )
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: HPMA; Chemical: OEGMA; Chemical: P ( GMA - TEPA ) ( 50 )