20597
Ideal redox behavior of the high - density self - assembled monolayer of a molecular tripod on a au ( 111 ) surface with a terminal ferrocene group .
 Chemical: au ( 111 ); Chemical: ferrocene
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: au ( 111 ), ferrocene 
Answer:
 Chemical: au ( 111 ); Chemical: ferrocene