3770
Glutamate receptors are a potentially important set of targets for monitoring disease progression , for evaluating the effect of therapy and for new treatment development based on the quantification of receptor occupancy .
 Chemical: Glutamate
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: Glutamate 
Answer:
 Chemical: Glutamate