You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-2-[4-chloro-2-[[(3S)-4-[2-(4-chlorophenyl)acetyl]-3-methylpiperazin-1-yl]methyl]phenoxy]propanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H26Cl2N2O4
assistant