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Taking into account the presented results , we suggest that organochalcogen - induced mitochondrial complexes I and II inhibition can be mediated by their thiol oxidation activity , i . e . , Ebs , ( PhSe ) ( 2 ) and ( PhTe ) ( 2 ) can oxidize critical thiol groups from mitochondrial complexes I and II .
 organochalcogen, thiol, ( 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:
 organochalcogen, thiol, ( PhSe ) ( 2 ), ( PhTe ) ( 2 )