25654
The IC50 shifts ranged from 9 - to > 100 - fold , and the potency shifts collapsed in the presence of rifampicin , the inhibitor for OATPs .
 Chemical: rifampicin
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: rifampicin