You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5S,8R)-8-[(1S)-2,2-difluoro-1-hydroxy-7-(1H-indazol-7-yl)-1,3-dihydroinden-4-yl]-3,5-difluoro-5,6,7,8-tetrahydronaphthalene-1-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C27H19F4N3O
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