2343
New carbamates that are highly selective for inhibition of Anopheles gambiae acetylcholinesterase ( AChE ) over the human enzyme might be useful in continuing efforts to limit malaria transmission .
 Chemical: carbamates
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: carbamates