21665
These changes were ameliorated by SCH23390 but not by Tat - GluR23Y .
 Chemical: SCH23390
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: SCH23390 
Answer:
 Chemical: SCH23390