11805
Using the proteomics - based discovery platform called PrISM ( Proteomic Investigation of Secondary Metabolism ) , we discovered two new siderophores gobichelin A and B from Streptomyces sp .
 Chemical: gobichelin A and 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: gobichelin A and B