25508
Breast cancer cell line MDA - MB - 435 and liver cancer cell line SMMC - 7721 were selected for further evaluating the effect of EVn - 50 or VB1 on cell cycle by flow cytometric analysis .
 Chemical: EVn - 50; Chemical: VB1
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: EVn - 50; Chemical: VB1