You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[6-(4-ethyl-5-methyl-2,3-dihydro-1H-imidazol-2-yl)-1,2,3,4-tetrahydropyridin-2-yl]-4-(1-propan-2-ylpiperidin-4-yl)-1,4-diazepane is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H44N6
assistant