You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(5S)-5-(3,5-difluorophenyl)-3-hydroxyspiro[5,6,7,7a-tetrahydro-3H-pyrrolo[2,1-b][1,3]oxazole-2,4'-piperidine]-1'-yl]-(3-fluoropyridin-2-yl)methanone .
user
C22H22F3N3O3
assistant