2783
Rats were killed on the 8th day to determine histological liver damage , the antioxidant enzymes in serum , the ratio of reduced glutathione ( GSH ) to oxidized glutathione ( GSSG ) , and arsenic accumulation in the liver .
 Chemical: reduced glutathione; Chemical: GSH; Chemical: oxidized glutathione; Chemical: GSSG; Chemical: arsenic
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: reduced glutathione, GSH, oxidized glutathione, GSSG, arsenic 
Answer:
 Chemical: reduced glutathione; Chemical: GSH; Chemical: oxidized glutathione; Chemical: GSSG; Chemical: arsenic