9046
A major base lesion resulting from oxidative stress is 8 - oxo - 7 , 8 - dihydro - 2 ' - deoxyguanosine ( 8 - oxoG ) that has ambiguous coding potential .
 Chemical: 8 - oxo - 7 , 8 - dihydro - 2 ' - deoxyguanosine; Chemical: 8 - oxoG
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 - dihydro - 2 ' - deoxyguanosine; Chemical: 8 - oxoG