16350
These cells were challenged with a single dose of H2O2 ( 50 mu M ) and / or pre - treated with different concentrations of Quercetin .
 Chemical: H2O2; Chemical: Quercetin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: H2O2; Chemical: Quercetin