17606
Both compounds , VA441 and VA428 , showed a strong inhibition of cell proliferation , and did not exhibit cytotoxicity .
 Chemical: VA441; Chemical: VA428
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: VA441; Chemical: VA428