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Here we will show that 7b - HC increases cell cycle time and that it changes the affinity of pyruvate kinase to its substrate , phosphoenol pyruvate .
 Chemical: 7b - HC; Chemical: pyruvate; Chemical: phosphoenol pyruvate
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: 7b - HC, pyruvate, phosphoenol pyruvate 
Answer:
 Chemical: 7b - HC; Chemical: pyruvate; Chemical: phosphoenol pyruvate