You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[3-[(3-ethyl-4-methylpiperazin-1-yl)methyl]oxolan-3-yl]methyl]-2-methylpropan-1-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H35N3O
assistant