30557
Cytotoxicity was evaluated with methyl thiazole tetrazolium ( MTT ) .
 Chemical: methyl thiazole tetrazolium; 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: methyl thiazole tetrazolium; Chemical: MTT