You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[6-benzyl-1-(4-fluorophenyl)-3-methylpyrazolo[3,4-d]pyrimidin-4-yl]-1,4-diazepan-1-yl]-2,2-diphenylethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H35FN6O
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