12416
A reduction in myocardial necrosis was further evidenced by the tri - phenyl tetrazolium chloride ( TTC ) stain in isolated test drug pretreated rats .
 Chemical: tri - phenyl tetrazolium chloride; Chemical: TTC
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: tri - phenyl tetrazolium chloride, TTC 
Answer:
 Chemical: tri - phenyl tetrazolium chloride; Chemical: TTC