18742
These results suggest that the exogenous application of NO rendered the plants more tolerant to As - induced oxidative damage by enhancing their antioxidant defense and glyoxalase system .
 Chemical: NO; Chemical: As
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: NO; Chemical: As