24790
Here , we study distribution of carbon nanotubes ( CNTs ) in two immiscible aqueous phases formed by the addition of polyethylene glycol ( PEG ) and dextran .
 Chemical: carbon; Chemical: polyethylene glycol; Chemical: PEG
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: carbon; Chemical: polyethylene glycol; Chemical: PEG