29652
Gold - Catalyzed Cycloisomerization of 1 , 6 - Diyne Carbonates and Esters to 2 , 4a - Dihydro - 1H - fluorenes .
 Chemical: 1 , 6 - Diyne Carbonates and Esters; Chemical: 2 , 4a - Dihydro - 1H - fluorenes
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: 1 , 6 - Diyne Carbonates and Esters, 2 , 4a - Dihydro - 1H - fluorenes 
Answer:
 Chemical: 1 , 6 - Diyne Carbonates and Esters; Chemical: 2 , 4a - Dihydro - 1H - fluorenes