2307
The overall level of ultrasonication - induced DNA damage is reduced in the presence of single - wall carbon nanotubes ( SWCNTs ) , particularly for DNA lesions formed by one - electron reduction of intermediate radicals .
 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