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Name the molecular formula for the molecule established as tert-butyl 2-[[8-[3-(3-fluoro-3-methyl-2-oxoindol-1-yl)propyl]-4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl]methyl]benzoate using the IUPAC nomenclature.
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C37H43FN4O4
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