7889
Quite satisfactory discrimination was achieved with the all - atom IMM1 and GBSW models at 25 . 4 A thickness and with the HDGB model at 28 . 5 A thickness .
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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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