7241
Herein , the present article reports the novel multifunctional Fe ( 3 ) O ( 4 ) @ Ag / SiO ( 2 ) / Au core - shell microspheres that display long - range plasmon transfer of Ag to Au leading to enhanced Raman scattering .
 Chemical: Fe ( 3 ) O ( 4 ); Chemical: Ag; Chemical: SiO ( 2 ); Chemical: Au; Chemical: Ag; Chemical: Au
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: Fe ( 3 ) O ( 4 ); Chemical: Ag; Chemical: SiO ( 2 ); Chemical: Au; Chemical: Ag; Chemical: Au