18670
The in vitro release studies showed that release of FITC - CC was minimal under physiological conditions but significantly enhanced under reductive conditions in the presence of 10 mM DTT with about 96 . 8 % of FITC - CC released in 22 h from nanogel 1 .
 Chemical: FITC; Chemical: DTT; Chemical: FITC
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: FITC; Chemical: DTT; Chemical: FITC