22893
Furthermore , UGT1A9 and 2B7 were the predominant UGT isoforms responsible for R - and S - ornidazole glucuronidation in humans , respectively .
 Chemical: R - and S - ornidazole
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: R - and S - ornidazole