7531
We demonstrate the formation of a photoinduced charge transfer composite with graphene oxide ( GO ) and ferrocene ( Fc ) molecules .
 Chemical: graphene oxide; Chemical: ferrocene
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: graphene oxide; Chemical: ferrocene