25823
The improvement of nuclear factor - kappa Bp65 , cyclooxygenase - 2 , inducible nitric oxide synthase , NF - E2 - related factor 2 , and heme oxygenase - 1 was marked in the group administered Bakumi - jio - gan .
 Chemical: nitric oxide; Chemical: heme
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: nitric oxide; Chemical: heme