16066
Oleic acid - coated MnO nanoparticles were encapsulated in micelles composed of polyethylene glycol ( PEG - 2000 ) , phosphatidylethanolamine ( PE ) , DC - cholesterol , and dioleoyl - phosphatidylethanolamine ( DOPE ) .
 Oleic acid, MnO, polyethylene glycol, PEG - 2000, phosphatidylethanolamine, cholesterol, dioleoyl - phosphatidylethanolamine, DOPE
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Oleic acid, MnO, polyethylene glycol, PEG - 2000, phosphatidylethanolamine, cholesterol, dioleoyl - phosphatidylethanolamine, DOPE