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Total synthesis of the polyhydroxy caprolactam amide natural product , bengamide E , is accomplished starting from tartaric acid .
 Chemical: polyhydroxy caprolactam amide; Chemical: bengamide E; Chemical: tartaric acid
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: polyhydroxy caprolactam amide; Chemical: bengamide E; Chemical: tartaric acid