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 3-[5-fluoro-2-(trifluoromethoxy)phenyl]spiro[8,9-dihydro-6H-pyrido[3,2-c]azepine-7,1'-cyclopropane]-5-one .
user
C18H14F4N2O2
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