23996
Amitraz caused changes in the NE , DA and 5 - HT and their metabolite levels in a brain regional - , dose - and age - related manner .
 Chemical: 5 - HT
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: 5 - HT 
Answer:
 Chemical: 5 - HT