22699
Intestinal and hepatic extraction ratios of AMG 221 obtained using a five - catheter rat model were 0 . 56 and 0 . 32 , respectively .
 Chemical: AMG 221
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: AMG 221