3893
We observed that K562 / Dox cells overexpressing P - gp contained a significantly reduced intracellular level of nilotinib when compared to their counter partner K562 cells , which do not express P - gp .
 Chemical: Dox; Chemical: nilotinib
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: Dox; Chemical: nilotinib