You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2S)-2-[[(2S)-2-(3-fluoro-4-phenylphenyl)propanoyl]amino]-3-(4-phenylphenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)propanamide into molecular formula.
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C39H44FN3O2
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