24961
The star copolymers ( HCP - star - PDMAEMAs ) with different poly ( 2 - ( dimethylamino ) ethyl methacrylate ) ( PDMAEMA ) chain lengths were synthesized from the hyperbranched conjugated polymer ( HCP ) macroinitiator by atom transfer radical polymerization ( ATRP ) .
 Chemical: PDMAEMAs; Chemical: poly ( 2 - ( dimethylamino ) ethyl methacrylate ); Chemical: PDMAEMA
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: PDMAEMAs; Chemical: poly ( 2 - ( dimethylamino ) ethyl methacrylate ); Chemical: PDMAEMA