You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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3-[(2R)-2-amino-2-phenylethyl]-1-[(2,6-difluorophenyl)methyl]-6-methyl-5-(3-phenylpiperidin-1-yl)pyrimidine-2,4-dione is the IUPAC name of a molecule. Please give its molecular formula.
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C31H32F2N4O2
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