22779
Abstract 1 . Rodent studies have documented that N ( omega ) - hydroxy - nor - L - arginine ( nor - NOHA ) , an arginase inhibitor , has therapeutic potential in the treatment of cardiovascular and obstructive airway diseases .
 N ( omega ) - hydroxy - nor - L - arginine, nor - NOHA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 N ( omega ) - hydroxy - nor - L - arginine, nor - NOHA