7511
Theoretical study of the reaction of CH2XO ( X = F , Cl , Br ) radicals with the NO radical .
 Chemical: CH2XO; Chemical: F; Chemical: Cl; Chemical: Br; Chemical: NO
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: CH2XO; Chemical: F; Chemical: Cl; Chemical: Br; Chemical: NO