3445
Total glutathione ( GSH ) levels in brain , gill and liver tissues were higher in fish exposed to TiO ( 2 ) NP ( both 0 . 1 and 1 . 0 mg l ( - 1 ) ) compared to bulk TiO ( 2 ) and control fish .
 Chemical: glutathione; Chemical: GSH; Chemical: TiO ( 2 ); Chemical: TiO ( 2 )
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: glutathione; Chemical: GSH; Chemical: TiO ( 2 ); Chemical: TiO ( 2 )