17166
The stability of noncovalent pi - stacks , formed between two stilbenoid units prior to oxidation , is accurately evaluated with density functional theory ( DFT ) including dispersive effects ( within the DFT - D formalism ) .
 Chemical: stilbenoid
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: stilbenoid