28962
It was found that RcLPS monolayers at surface pressures of 20 mN m ( - 1 ) and above are resolved as hydrocarbon tails , an inner headgroup and an outer headgroup of polysaccharide with increasing solvation from tails to outer headgroups .
 Chemical: hydrocarbon
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: hydrocarbon