10028
AveC catalyzes the stereospecific spiroketalization of a dihydroxy - ketone polyketide intermediate and the optional dehydration to determine the regiospecific saturation characteristics of spiroketal diversity .
 Chemical: dihydroxy - ketone polyketide
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: dihydroxy - ketone polyketide