27897
Compound 1 was treated with 2 equiv of KC8 and LiB ( sec - Bu ) 3H to yield a deep blue - colored dicarbene zinc compound ( cAAC ) 2Zn ( 2 ) and the colorless hydrogenated zinc compound ( cAACH ) 2Zn ( 3 ) , respectively .
 Chemical: KC8; Chemical: LiB ( sec - Bu ) 3H; Chemical: dicarbene zinc; Chemical: ( cAAC ) 2Zn; Chemical: zinc; Chemical: ( cAACH ) 2Zn
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: KC8, LiB ( sec - Bu ) 3H, dicarbene zinc, ( cAAC ) 2Zn, zinc, ( cAACH ) 2Zn 
Answer:
 Chemical: KC8; Chemical: LiB ( sec - Bu ) 3H; Chemical: dicarbene zinc; Chemical: ( cAAC ) 2Zn; Chemical: zinc; Chemical: ( cAACH ) 2Zn