You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule 4-fluoro-N-[4-[2-oxo-2-[2-(2,3,4-trifluorophenyl)hydrazinyl]ethyl]phenyl]benzenesulfonamide ?
user
C20H15F4N3O3S
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