21302
[ ( 14 ) C ] Sorafenib ( 1 mu M ) uptake at 4 degrees C was ~ 61 - 63 % of the uptake at 37 degrees C , suggesting a high degree of passive diffusion .
 Chemical: [ ( 14 ) C ] 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: [ ( 14 ) C ] Sorafenib