You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-chloro-4-fluorophenyl)-1-[3-[(5,7-dimethyl-3,4-dihydro-2H-azepin-6-yl)sulfanylamino]phenyl]butan-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H26ClFN2OS
assistant