You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2,4,5-trifluoro-6-methoxy-3-[[(3S)-oxolan-3-yl]sulfamoyl]phenyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H17F3N2O5S
assistant