8892
Optical activity of achiral ligand SCH3 adsorbed on achiral Ag55 clusters : relationship between adsorption site and circular dichroism .
 Chemical: SCH3; Chemical: Ag55
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: SCH3; Chemical: Ag55