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Our results demonstrate that arsenite ( 1 - 10 mu M ) elevates COX - 2 expression , GSH levels , ROS and Nrf2 expression .
 Chemical: arsenite; Chemical: GSH
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: arsenite; Chemical: GSH