You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[2-[4-[5-(2,2-dimethylpropanoyl)pyridin-2-yl]piperazin-1-yl]ethoxy]-3,3-dimethylbutan-2-one .
user
C22H35N3O3
assistant