10484
The impact of structure on oxidatively generated DNA damage products resulting from the C3 ' - thymidinyl radical .
 Chemical: C3 ' - thymidinyl
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: C3 ' - thymidinyl 
Answer:
 Chemical: C3 ' - thymidinyl