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system
Under IUPAC nomenclature, a molecule named 5-[2-[[3-[1-[2-[2-[3-[[4-[[(2S)-1-[(2R)-2-cyano-4,4-difluoropyrrolidin-1-yl]-1-oxopropan-2-yl]carbamoyl]pyridin-2-yl]methylamino]-3-oxopropoxy]ethoxy]ethyl]triazol-4-yl]-5-[1-[2-[2-[3-[[4-[[(2S)-1-[(2R)-4,4-difluoro-2-isocyanopyrrolidin-1-yl]-1-oxopropan-2-yl]carbamoyl]pyridin-2-yl]methylamino]-3-oxopropoxy]ethoxy]ethyl]triazol-4-yl]benzoyl]amino]ethylcarbamoyl]-2-(3-hydroxy-6-oxo-8a,9-dihydroxanthen-9-yl)benzoate is given. What is its corresponding molecular formula?
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C78H79F4N18O17-
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