You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (2S)-2-[5-[6-(3,4-dihydro-2H-chromen-7-yl)-10-[(Z)-1-(ethylamino)prop-1-enyl]-1-fluoro-6H-indolo[1,2-c][1,3]benzoxazin-3-yl]-1H-imidazol-2-yl]pyrrolidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C41H44FN5O4
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