21246
The predicted OCCF gauche / trans ratio for 2F - ethanol was well reproduced in comparison with available experimental compositions .
 Chemical: OCCF; Chemical: 2F - ethanol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: OCCF, 2F - ethanol 
Answer:
 Chemical: OCCF; Chemical: 2F - ethanol