1058
The new siderophore tsukubachelin B ( 1 ) was isolated from the iron - deficient culture medium of the newly isolated strain Streptomyces sp .
 Chemical: tsukubachelin B; Chemical: iron
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; Chemical: iron