11690
Firstly , in the normal human renal epithelial HK - 2 cells , the measurement of the expression of 30 previously reported NRF2 target genes in response to NRF2 inducers ( sulforaphane , tert - butylhydroquinone , cinnamic aldehyde , and hydrogen peroxide ) showed that the aldo - keto reductase ( AKR ) 1C1 is highly inducible by all treatments .
 Chemical: sulforaphane; Chemical: tert - butylhydroquinone; Chemical: cinnamic aldehyde; Chemical: hydrogen peroxide
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: sulforaphane; Chemical: tert - butylhydroquinone; Chemical: cinnamic aldehyde; Chemical: hydrogen peroxide