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Based upon these results , we hypothesize that compounds able to increase GSH levels via multiple mechanisms , such as fisetin , will be particularly effective for maintaining GSH levels under a variety of different stresses .
 Chemical: GSH; Chemical: fisetin; Chemical: GSH
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: GSH, fisetin, GSH 
Answer:
 Chemical: GSH; Chemical: fisetin; Chemical: GSH