You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 1-(3,3-difluorocyclobutyl)-N-[[(2R,3S)-2-(1H-pyrazol-5-yl)oxan-3-yl]methyl]methanesulfonamide ?
user
C14H21F2N3O3S
assistant