22057
A low molecular weight polyethyleneimine modified with deoxycholic acid ( PEI1 . 8 - DA ) - based delivery strategy was suggested for the cardiac application of SHP - 1 siRNA to overcome the poor gene delivery efficiency to myocardium due to the highly charged structures of the compact cardiac muscles .
 Chemical: polyethyleneimine; Chemical: deoxycholic acid
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: polyethyleneimine, deoxycholic acid 
Answer:
 Chemical: polyethyleneimine; Chemical: deoxycholic acid