11058
For effects in the central nervous system ( CNS ) , we measured striatal dopamine levels by HPLC with electrochemical detection .
 Chemical: dopamine
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: dopamine 
Answer:
 Chemical: dopamine