3306
It is also observed that the surface - enhanced Raman spectrum of thiophenol is stronger when measured on AuHCs than on AuHSs .
 Chemical: thiophenol
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: thiophenol