27616
The NSCs of NH3 and ND3 were found to follow first - order kinetics with rate constants at 1 . 8 K of k = 1 . 88 ( 16 ) x 10 ( - 3 ) s ( - 1 ) and k = 1 . 08 ( 8 ) x 10 ( - 3 ) s ( - 1 ) , respectively .
 Chemical: NH3; Chemical: ND3
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: NH3; Chemical: ND3