11701
Both compounds affected a number of mitochondrial functions in HCT - 116 cells namely increasing the intracellular concentrations of reactive oxygen species , inhibiting oxygen consumption and decreasing the mitochondrial membrane potential .
 Chemical: oxygen; 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; Chemical: oxygen