13047
For this purpose , R8 - peptide was conjugated to the polyethylene glycol - dioleoyl phosphatidylethanolamine ( PEG - DOPE ) amphiphilic co - polymer .
 Chemical: polyethylene glycol - dioleoyl phosphatidylethanolamine; Chemical: PEG - DOPE
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: polyethylene glycol - dioleoyl phosphatidylethanolamine, PEG - DOPE 
Answer:
 Chemical: polyethylene glycol - dioleoyl phosphatidylethanolamine; Chemical: PEG - DOPE