You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4R)-N-[[2-[2-[4-[3-[(4,6-dimethyl-2-oxo-1H-pyridin-3-yl)methylcarbamoyl]-5-[ethyl(oxan-4-yl)amino]-4-methylphenyl]phenoxy]ethoxy]-4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]-4-hydroxy-1-[(2S)-3-methyl-2-(3-methylidene-1H-isoindol-2-yl)butanoyl]pyrrolidine-2-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C61H71N7O8S
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