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In conclusion , BCRP - and MDR1 - mediated efflux of AR - 67 lactone confers resistance to AR - 67 , but OATP1B3 - mediated uptake of the AR - 67 carboxylate does not sensitize OATP1B3 expressing tumor cells .
 Chemical: AR - 67; Chemical: lactone; Chemical: AR - 67; Chemical: AR - 67; Chemical: carboxylate
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: AR - 67; Chemical: lactone; Chemical: AR - 67; Chemical: AR - 67; Chemical: carboxylate