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The study of 5AzadC effects on the number of astrocytoma cells showed that P4 treatment increased the number of U373 cells , whereas 5AzadC and the combined treatment with P4 reduced it .
 Chemical: 5AzadC; Chemical: 5AzadC
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 5AzadC; Chemical: 5AzadC