11296
A novel , nonfluorescent single - molecule technique involves attaching single molecules to single - walled carbon nanotube field - effective transistors ( SWNT FETs ) .
 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: carbon