25908
The cytotoxicity in vitro of the complexes toward BEL - 7402 , HeLa , MG - 63 and SKBR - 3 cells was assessed by MTT assay .
 Chemical: MTT
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: MTT