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 [(4'R,6'S,7'S)-17'-fluoro-4',6'-dimethyl-2,4,6-trioxospiro[1,3-diazinane-5,8'-5,15-dioxa-2,14-diazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(17),10,12(16),13-tetraene]-13'-yl] N-ethylcarbamate ?
user
C21H22FN5O7
assistant