You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[6-chloro-3-(2-ethoxypyridin-3-yl)pyrazolo[3,4-b]pyridin-1-yl] thiohypofluorite The above is the IUPAC name of a molecule. Write its molecular formula.
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C13H10ClFN4OS
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