8426
Density functional theory study of the structure and vibrational modes of acrylonitrile adsorbed on Cu ( 100 ) .
 Chemical: acrylonitrile; Chemical: Cu ( 100 )
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: acrylonitrile, Cu ( 100 ) 
Answer:
 Chemical: acrylonitrile; Chemical: Cu ( 100 )