You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-(3-chloro-2-fluorophenyl)-5-methyl-4H-1,2-oxazol-5-yl]-[4-[5-[(dimethylamino)methyl]pyridin-2-yl]piperazin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H27ClFN5O2
assistant