5329
Simultaneous ectopic overexpression of RBCK1 and PXR decreased PXR levels in AD - 293 cells , and this decrease was inhibited by the proteasomal inhibitor MG - 132 ( carbobenzoxy - Leu - Leu - leucinal ) .
 Chemical: MG - 132; Chemical: carbobenzoxy - Leu - Leu - leucinal
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: MG - 132; Chemical: carbobenzoxy - Leu - Leu - leucinal