10171
Organic anion - transporting polypeptides ( OATP ) 1B1 , 1B3 , and 2B1 can serve as the loci of drug - drug interactions ( DDIs ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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