You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-(3,4-difluorophenyl)sulfonyl-N-[4-(1-phenylethylamino)phenyl]piperidine-4-carboxamide using the IUPAC nomenclature.
user
C26H27F2N3O3S
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