You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 7-(3-chloro-4-fluorophenyl)-5,5-bis(5-chlorothiophen-2-yl)-1H-4,1-benzoxazepin-2-one .
user
C23H13Cl3FNO2S2
assistant