16134
A new alkaloid was isolated from the ethyl acetate extract of the culture of a termite - associated Streptomyces koyangensis BY - 4 .
 Chemical: ethyl acetate
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: ethyl acetate