You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(6'-amino-2,4,4'-trioxospiro[1,3-oxazolidine-5,1'-2,3-dihydronaphthalene]-3-yl)-N-[(1S)-1-cyclopropyl-2,2,2-trifluoroethyl]-N-[(4-fluorophenyl)methyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H23F4N3O5
assistant