21871
In this paper , we report the coordinated in vivo delivery of anti - cancer drugs and imaging agents by chemically loading doxorubicin and magnetite nanocubes ( MNs ) in the core of polymeric nanoparticles .
 Chemical: doxorubicin; Chemical: magnetite
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: doxorubicin; Chemical: magnetite