8667
Thus , while free DCX exhibited a fast and short effect on tumor volume reduction , CS - PEG - anti - TMEFF - 2 mAb NCs showed a delayed and prolonged action , with no significant side effects of treatments .
 Chemical: DCX; 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: DCX; Chemical: PEG