You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [4-[2-(2-hydroxyethoxy)ethyl]piperazin-1-yl]-[6-[2-[(2-methylpropan-2-yl)oxy]ethoxy]pyridin-3-yl]methanone ?
user
C20H33N3O5
assistant