18589
The AKR1C3 . NADP ( + ) . 2 ' - des - methyl - indomethacin crystal structure was determined , and it revealed a unique inhibitor binding mode .
 NADP ( + ), 2 ' - des - methyl - indomethacin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 NADP ( + ), 2 ' - des - methyl - indomethacin