15219
Although intestinal flora was involved in CS - 1036 metabolism , CS - 1036 was the main component in feces ( 70 . 3 % for rats and 48 . 7 % for monkeys ) and in the intestinal contents ( 33 - 68 % for rats up to 2 hours after the dose ) after oral administration .
 CS - 1036, CS - 1036
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 CS - 1036, CS - 1036