20066
The endpoints examined were the DNA breakage estimated by the comet assay , the oxidative base damage recognized by formamido - pyrimidine glycosylase ( FPG ) and estimated with the FPG + comet assay , and the frequencies of histone gamma H2AX foci and micronuclei .
 Chemical: formamido - pyrimidine
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: formamido - pyrimidine