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system
Name the molecular formula for the molecule established as tert-butyl (E,2R,3S)-3-[[(2S)-3-(4-butoxyphenyl)-1-(methylamino)-1-oxopropan-2-yl]carbamoyl]-12,12-difluoro-2-hydroxy-2-(methoxymethyl)nonadec-4-enoate using the IUPAC nomenclature.
user
C40H66F2N2O7
assistant