1060
The chemical structure of tsukubachelin B ( 1 ) was established via interpretation of 2D nuclear magnetic resonance and electrospray ionization - mass spectroscopic data .
 Chemical: tsukubachelin B
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: tsukubachelin B