You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3,6-dihydro-2H-pyran-4-yl)ethyl]-N'-methyl-4-(2-methylpropyl)piperazine-1-carboximidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H32N4O
assistant