22504
In 52 % of the rat hippocampal slices tested , bath application of donepezil increased the frequency of EPSCs .
 Chemical: donepezil
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: donepezil 
Answer:
 Chemical: donepezil