15071
Changing the geometry of the LAS isomer , from the symmetrical LAS - 6 geometry to the more asymmetrical LAS - 4 , results in the LL competing more effectively for the surface due to changes in the packing constraints associated with the hydrophobic region .
 Chemical: LAS; Chemical: LAS - 6; Chemical: LAS - 4
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: LAS; Chemical: LAS - 6; Chemical: LAS - 4