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Almost 100 % of the cells were apoptotic as observed by DNA fragmentation ( TUNEL assay ) after 12 h with cucurbitacins I and D ( 1 mu M ) and cucurbitacin E ( 10 mu M ) .
 Chemical: cucurbitacins I and D; Chemical: cucurbitacin E
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: cucurbitacins I and D; Chemical: cucurbitacin E