You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (4-methylpiperazin-1-yl)-[(3S)-3-pyridin-2-yloxypyrrolidin-1-yl]methanone is given. What is its corresponding molecular formula?
user
C15H22N4O2
assistant