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Because the hydrophobic selenide groups transformed into the hydrophilic selenone groups after oxidation under the exclusive oxidative microenvironment within cancer cells , the amphiphilic hyperbranched precursors become hydrophilic ones .
 Chemical: selenide; Chemical: selenone
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: selenide; Chemical: selenone