17908
Based on the results , we selected MAC value and the minimum of CV75 , EC150 ( CD86 ) and EC200 ( CD54 ) as descriptors for the input layer of an artificial neural network ( ANN ) system .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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