5696
The best 3D - QSAR model , Model III , constructed with 24 training set compounds from both series , showed robustness ( r ( 2 ) ( CV ) = 0 . 54 and 0 . 52 for CoMFA and CoMSIA , respectively ) and superior predictive capacity for 42 test set compounds ( R ( 2 ) ( pred ) = 0 . 52 and 0 . 67 , CoMFA and CoMSIA ) .
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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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