19780
In particular , substituents with a tertiary amine linked via a two carbon chain show improved inhibitory potency for both enzyme isoforms .
 Chemical: tertiary amine; Chemical: carbon
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: tertiary amine; Chemical: carbon