You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-N-[[1,6-diethyl-4-(oxan-4-ylamino)pyrazolo[3,4-b]pyridin-5-yl]methyl]-1-N-[[3-(3-formylphenyl)-2-methylphenyl]methyl]benzene-1,3-dicarboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H42N6O4
assistant