You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 5-fluoro-N-[4-fluoro-3-[(E)-C-methyl-N-sulfanylcarbonimidoyl]phenyl]pyridine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C14H11F2N3OS
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