16279
To identify the molecular mechanisms underlying this effect , we used an adoptive transfer approach in which dendritic cells ( DCs ) from the draining lymph nodes of donor mice that had been UVB - exposed and sensitized to 2 , 4 , - dinitrofluorobenzene ( DNFB ) were transferred into na i ve recipient mice .
 Chemical: 2 , 4 , - dinitrofluorobenzene; Chemical: DNFB
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: 2 , 4 , - dinitrofluorobenzene; Chemical: DNFB