20339
Our results revealed an important role of base excision repair ( BER ) as the ntg1 , ntg2 , apn1 and apn2 mutants showed pronounced sensitivity to essential oil and nerolidol .
 Chemical: nerolidol
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: nerolidol