24110
The solvation free energies were calculated by popular implicit solvent models based on quantum mechanical ( QM ) electronic densities ( COSMO - RS , MST , SMD ) as well as on molecular mechanical ( MM ) point - charge models ( GB , PB ) .
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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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