23407
In the livers of PCB126 - treated rats , the hallmark signs of AhR activation were present , including increased cytochrome P450 and lipid levels and decreased glutathione .
 Chemical: PCB126; Chemical: glutathione
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: PCB126, glutathione 
Answer:
 Chemical: PCB126; Chemical: glutathione