8139
We determined that both LLA and LEA stabilize magnetic iron oxide NPs , allowing the formation of pi - complexes with bis ( acetonitrile ) dichloropalladium ( II ) in the NP shells .
 Chemical: LLA; Chemical: LEA; Chemical: iron oxide; Chemical: bis ( acetonitrile ) dichloropalladium ( II )
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: LLA; Chemical: LEA; Chemical: iron oxide; Chemical: bis ( acetonitrile ) dichloropalladium ( II )