17130
Based on the ligand - based alignment , an optimal 3D - QSAR model was obtained with good predictive power of Q ( 2 ) = 0 . 501 , R ( 2 ) ncv = 0 . 890 , SEE = 0 . 282 , F = 153 . 522 and R ( 2 ) pred = 0 . 768 .
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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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