6969
The synthesized boron - dipyrromethene - based fluorescence dyes have one or two sulfonate groups , which confer solubility in aqueous media , and a dinitrophenyl group as a redox reaction site .
 Chemical: boron - dipyrromethene; Chemical: sulfonate; Chemical: dinitrophenyl
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: boron - dipyrromethene; Chemical: sulfonate; Chemical: dinitrophenyl