5456
Here we specifically review the influence exerted by antipsychotic drugs on brain metabolism , as detected by ( 1 ) H MRS .
 Chemical: ( 1 ) H
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 ) H 
Answer:
 Chemical: ( 1 ) H