You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 9-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)spiro[fluoreno[2,3-b][1]benzothiole-7,9'-xanthene] by IUPAC nomenclature, provide its molecular formula.
user
C37H29BO3S
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