24768
SFN has been shown to inhibit the activator - protein - 1 ( AP - 1 ) transcription factor and may be effective for inhibition of ultraviolet ( UV ) induced skin carcinogenesis .
 Chemical: SFN
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: SFN