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 4-fluoro-N-[1-(2-phenyl-1,3-thiazole-5-carbonyl)piperidin-4-yl]benzenesulfonamide using the IUPAC nomenclature.
user
C21H20FN3O3S2
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