You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(1-benzofuran-2-yl)ethyl]-N-[2-(diethylamino)ethyl]-1-(1-methyl-6-oxopyridazin-4-yl)piperidine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H37N5O3
assistant