You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-phenyl-4-[4-[8-[3-[4-pyridin-2-yl-6-(4-spiro[fluorene-9,9'-xanthene]-4'-ylphenyl)pyrimidin-2-yl]phenyl]dibenzofuran-4-yl]phenyl]-6-(4-spiro[fluorene-9,9'-xanthene]-4'-ylphenyl)pyrimidine .
user
C105H63N5O3
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