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In conclusion , the ultimate carcinogen BPDE is detoxified via glutathione conjugation and subsequently excreted by Caco - 2 cells in both apical and basolateral directions .
 Chemical: BPDE; Chemical: glutathione
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: BPDE; Chemical: glutathione