4493
The free binding energies from docking were - 5 . 15 ( cholesterol ) , - 5 . 79 ( DDAB ) , and - 5 . 36 kcal / mol ( DOTAP ) with the order of stability DDAB - PAMAM - G - 4 > DOTAP - PAMAM - G4 > cholesterol - PAMAM - G4 , consistent with the spectroscopic results .
 Chemical: cholesterol; Chemical: DDAB; Chemical: DOTAP; Chemical: DDAB - PAMAM - G - 4; Chemical: DOTAP - PAMAM - G4; Chemical: cholesterol; Chemical: PAMAM - G4
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: cholesterol; Chemical: DDAB; Chemical: DOTAP; Chemical: DDAB - PAMAM - G - 4; Chemical: DOTAP - PAMAM - G4; Chemical: cholesterol; Chemical: PAMAM - G4