You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[3-chloro-4-[2-[4-[[(2S)-3-(2-fluorophenoxy)-2-hydroxypropyl]amino]piperidin-1-yl]-2-oxoethoxy]phenyl]-4,5-dihydro-1H-pyridazin-6-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H30ClFN4O5
assistant