18626
Moreover , since reduced levels of p21CIP1 and Chk2 proteins but no change in p53 levels could be detected in MCF - 7 cells after BSC 3g or 3n treatment our results suggest that BSC treated cells die from lethal mitosis .
 Chemical: BSC; Chemical: BSC
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: BSC, BSC 
Answer:
 Chemical: BSC; Chemical: BSC