You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2S,4R)-4-fluoro-1-(4-fluorophenyl)sulfonylpyrrolidin-2-yl]-3-[2-[2-(trifluoromethyl)pyrimidin-5-yl]pyridin-4-yl]propan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H19F5N4O3S
assistant