You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-amino-3-[(5-bromo-2-hydroxyphenyl)methyldiazenyl]-6-tert-butyl-1,2,4-triazin-5-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H17BrN6O2
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