You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[[3,5-bis(trifluoromethyl)phenyl]methyl]-5-(2-chlorophenyl)-N-methyl-2-methylsulfonylpyrimidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C22H16ClF6N3O3S
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