21300
This study was designed to establish whether transport proteins are involved in the hepatic uptake of sorafenib , and to determine the extent of biliary excretion of sorafenib / metabolites in human hepatocytes .
 Chemical: sorafenib; Chemical: sorafenib
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: sorafenib; Chemical: sorafenib