2452
Mitochondrial analysis , respiration intensity , levels of reactive oxygen species , permeability transition , and cytochrome c release were assessed 3 and 6 days after gentamicin administration .
 Chemical: oxygen; Chemical: gentamicin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: oxygen; Chemical: gentamicin