3944
So , mitochondrial dysfunction can be considered an important factor in the toxicity of Ebs , ( PhSe ) ( 2 ) and ( PhTe ) ( 2 ) .
 ( PhSe ) ( 2 ), ( PhTe ) ( 2 )
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ( PhSe ) ( 2 ), ( PhTe ) ( 2 )