13896
Malonic acid was found to be weakly solvated at the air / water interface , and its orientation as a function of concentration was explored through different VSFS polarization schemes .
 Chemical: Malonic acid
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: Malonic acid