14162
Both , MYC overexpression and Miz1 knockdown led to a strong reduction of endogenous reactive - oxygen species ( ROS ) , DNA damage and senescence .
 Chemical: oxygen
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: oxygen