You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (5S)-5-(3,5-difluorophenyl)-1'-([1,3]thiazolo[4,5-c]pyridine-2-carbonyl)spiro[5,6,7,7a-tetrahydropyrrolo[2,1-b][1,3]oxazole-2,4'-piperidine]-3-one ?
user
C23H20F2N4O3S
assistant