You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-fluoro-4-(1-oxa-2,8-diazaspiro[4.5]dec-2-en-3-yl)phenyl]methanesulfonamide;hydrochloride .
user
C14H19ClFN3O3S
assistant