20209
RESULTS : [ ( 11 ) C ] SCH23390 and [ ( 11 ) C ] NNC112 binding potentials in both patients and control subjects were compared and no tracer by diagnosis interactions were observed .
 Chemical: [ ( 11 ) C ] SCH23390; Chemical: [ ( 11 ) C ] NNC112
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: [ ( 11 ) C ] SCH23390, [ ( 11 ) C ] NNC112 
Answer:
 Chemical: [ ( 11 ) C ] SCH23390; Chemical: [ ( 11 ) C ] NNC112