You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1,1,2,2,3,4,4,5,6,6,6-undecafluoro-3,5-bis(trifluoromethyl)hexane-1-sulfonic acid into its molecular formula.
user
C8HF17O3S
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