8411
A dimeric form of N - methoxycarbonyl - 2 - amino - 1 , 8 - naphthyridine ( MCND ) connected at the C2 position with a three - atom linker was examined for the binding to mismatches in double stranded RNA .
 Chemical: N - methoxycarbonyl - 2 - amino - 1 , 8 - naphthyridine; Chemical: MCND
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: N - methoxycarbonyl - 2 - amino - 1 , 8 - naphthyridine; Chemical: MCND