21876
The doxorubicin and MNs loaded in this polymeric system showed highly coordinated bio - distribution in the balb / C mice model .
 Chemical: doxorubicin
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