9964
We report the discovery of novel series of highly potent TLR7 agonists based on 8 - oxoadenines , 1 and 2 by introducing and optimizing various tertiary amines onto the N ( 9 ) - position of the adenine moiety .
 Chemical: 8 - oxoadenines; Chemical: tertiary amines; Chemical: N; Chemical: adenine
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: 8 - oxoadenines, tertiary amines, N, adenine 
Answer:
 Chemical: 8 - oxoadenines; Chemical: tertiary amines; Chemical: N; Chemical: adenine