12158
A dose escalation of SZ - 685C was performed on this cell line , and cell viability was assessed using an MTT assay .
 Chemical: SZ - 685C; Chemical: MTT
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: SZ - 685C, MTT 
Answer:
 Chemical: SZ - 685C; Chemical: MTT