19033
The Streptomyces tendae Delta NikQ strain developed during the course of this study is superior to any previously reported strain in terms of higher yield and purity of Nikkomycin Z .
 Nikkomycin Z
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Nikkomycin Z