17882
Collectively , these results suggest that DCVCS and TCVCS exerted a definite but weak mutagenicity in the TA100 strain .
 Chemical: DCVCS; Chemical: TCVCS
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: DCVCS; Chemical: TCVCS