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 [(2S,3S)-3-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)oxiran-2-yl]-(5-fluoro-2-phenylmethoxyphenyl)methanone .
user
C25H21FO5
assistant