1357
This study investigated the disposition of ring - labelled [ ( 14 ) C ] BPB in Harlan Sprague Dawley rats , and in rat and human hepatocytes .
 Chemical: [ ( 14 ) C ] BPB
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: [ ( 14 ) C ] BPB