12991
Subsequently , through the use of formamidopyrimidine DNA glycosylase ( FPG ) in a modified comet assay , we determined that the extent of DNA migration was significantly increased at a SAR of 4 W / kg .
 Chemical: formamidopyrimidine
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: formamidopyrimidine 
Answer:
 Chemical: formamidopyrimidine