You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [(3S)-6-chloro-3,4-dihydro-2H-chromen-3-yl]-[4-[(5-fluoro-2-methoxyphenyl)methyl]piperazin-4-ium-1-yl]methanone ?
user
C22H25ClFN2O3+
assistant