15283
Among the various oxidized bases , 8 - oxo - 7 , 8 - dihydroguanine seems to be the most critical during the transfer of genetic information because it can pair with both cytosine and adenine .
 Chemical: 8 - oxo - 7 , 8 - dihydroguanine; Chemical: cytosine; Chemical: adenine
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: 8 - oxo - 7 , 8 - dihydroguanine; Chemical: cytosine; Chemical: adenine