You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-(1,2,4a,9b-tetrahydrodibenzothiophen-4-yl)cyclohexen-1-yl]-9,9-dimethyl-N-(4-methylphenyl)fluoren-4-amine into its molecular formula.
user
C40H39NS
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