7839
Inhibition of the Ras - depalmitoylating enzyme acyl protein thioesterases APT1 and - 2 is a new approach to modulating the Ras cycle .
 Chemical: acyl
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: acyl