5697
MTT assays showed that the cytotoxicity of 8CAS and its pegylated liposomes ( 8CAS - PL ) were retained , with IC ( 50 ) values of 1 . 0 mu M and 1 . 9 mu M at 72 h on MCF - 7 cells , respectively , slightly higher than that of 8CA ( 0 . 6 mu M ) .
 Chemical: MTT; Chemical: 8CAS; Chemical: 8CAS; Chemical: 8CA
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: MTT, 8CAS, 8CAS, 8CA 
Answer:
 Chemical: MTT; Chemical: 8CAS; Chemical: 8CAS; Chemical: 8CA