22801
Nitroxide TEMPO : A genotoxic and oxidative stress inducer in cultured cells .
 Chemical: Nitroxide; Chemical: TEMPO
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: Nitroxide, TEMPO 
Answer:
 Chemical: Nitroxide; Chemical: TEMPO