10407
Self - Assembly of N ( 3 ) - Substituted Xanthines in the Solid State and at the Solid - Liquid Interface .
 Chemical: N ( 3 ) - Substituted Xanthines
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: N ( 3 ) - Substituted Xanthines 
Answer:
 Chemical: N ( 3 ) - Substituted Xanthines