You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-chloro-1-[(6S)-4-(4-chloro-3-methoxyphenyl)-2-fluoro-6-methylpiperazin-1-yl]ethanone ?
user
C14H17Cl2FN2O2
assistant