16108
The SVM model based on whole pollution profiles showed lower performance ( sensitivity , specificity , accuracy and correlation coefficient were 69 . 5 - 70 . 7 % , 70 . 6 - 73 . 2 % , 69 . 9 - 72 . 1 % , and 0 . 55 - 0 . 59 % , respectively ) than one based on compounds with highest association with mutagenicity .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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