7425
Further analysis showed that the larger enhancements came from coalesced gold nanotubes and detection of the dye rhodamine 6G at concentrations as low as 0 . 1 nM was possible .
 Chemical: rhodamine 6G
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: rhodamine 6G