You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (4R)-6-(bromomethyl)-3-[3-[1-[3-[(4R)-6-(bromomethyl)-4-(4-cyanophenyl)-5-ethoxycarbonyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidin-3-yl]propyl]pyrrolidin-1-ium-1-yl]propyl]-4-(4-cyanophenyl)-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidine-5-carboxylate;bromide is the IUPAC name of a molecule. Please give its molecular formula.
user
C54H52Br3F6N7O6
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