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-bromo-5-(2,4-difluorophenyl)phenyl]-6-methylsulfonylindole-2-carboxamide using the IUPAC nomenclature.
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C22H15BrF2N2O3S
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