You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1,2,3,9,9-pentamethylfluorene;2,3,4,9,9-pentamethylfluorene;1,2,3-trimethylbenzene;1,2,3-trimethylnaphthalene into its molecular formula.
user
C94H106
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