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 5-fluoro-N,N-dimethyl-1-prop-2-enoxyspiro[1,2-dihydroindene-3,4'-piperidine]-1'-carboxamide .
user
C19H25FN2O2
assistant