You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named potassium;trifluoro-[5-fluoro-2-[2-[(2-methylpropan-2-yl)oxy]ethoxy]phenyl]boranuide by IUPAC nomenclature, provide its molecular formula.
user
C12H16BF4KO2
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