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Embellicine B ( 2 ) was the most active compound encountered in this study and acts at nanomolar concentrations without affecting tumor microenvironment .
 Chemical: Embellicine 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: Embellicine B