You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(4-bromophenyl)-6-pyridin-2-ylpyridine;copper(1+);triphenylphosphanium;tetrafluoroborate by IUPAC nomenclature, provide its molecular formula.
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C52H43BBrCuF4N2P2+2
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