20584
Using scanning tunneling microscopy we observed reaction products of two chemisorbed thiolate species , methylthiolate and phenylthiolate , on the Au ( 111 ) surface .
 Chemical: thiolate; Chemical: methylthiolate; Chemical: phenylthiolate; Chemical: Au ( 111 )
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: thiolate; Chemical: methylthiolate; Chemical: phenylthiolate; Chemical: Au ( 111 )