1671
Additionally , high concentration of HEDS alone induced cell death in p53 wild type cells without significant effect on p53 mutant cells .
 Chemical: HEDS
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: HEDS 
Answer:
 Chemical: HEDS