17683
Although glutathione S - transferase omega 1 ( GSTO1 ) and arsenic methyltransferase have been shown or thought to catalyze DMAs ( V ) reduction , their role in DMAs ( V ) reduction in vivo , or in cell extracts is uncertain .
 Chemical: glutathione; Chemical: S; Chemical: arsenic; Chemical: DMAs ( V ); Chemical: DMAs ( V )
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: S; Chemical: arsenic; Chemical: DMAs ( V ); Chemical: DMAs ( V )