11631
The results are disappointing due to side reactions in the IL proper , and F ( - ) - mediated hydrolysis of the produced ester .
 Chemical: F ( - ); Chemical: ester
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: F ( - ); Chemical: ester