30492
Based on a recently identified AChE inhibitor with a 1 , 4 - substituted 4 - ( 1H ) - pyridylene - hydrazone skeleton , a substance library has been generated and tested for inhibition of AChE , BuChE , and fibril formation .
 Chemical: 1 , 4 - substituted 4 - ( 1H ) - pyridylene - hydrazone
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: 1 , 4 - substituted 4 - ( 1H ) - pyridylene - hydrazone 
Answer:
 Chemical: 1 , 4 - substituted 4 - ( 1H ) - pyridylene - hydrazone