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OATP1B3 expressing cells had increased carboxylate uptake as compared to mock transfected cells , but were not sensitized because the intracellular amount of lactone was fifty - fold higher than that of carboxylate and comparable between OATP1B3 expressing and non - expressing cells .
 Chemical: carboxylate; Chemical: lactone; 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: carboxylate; Chemical: lactone; Chemical: carboxylate