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 [2-(4-fluorophenyl)-2-oxoethyl] (2R)-2-[(1R,2S,6R,7R,8S,10S)-3,5-dioxo-4-azatetracyclo[5.3.2.02,6.08,10]dodec-11-en-4-yl]propanoate .
user
C22H20FNO5
assistant