20098
Thioflavin T and its photoirradiative derivatives : exploring their spectroscopic properties in the absence and presence of amyloid fibrils .
 Chemical: Thioflavin T
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: Thioflavin T