You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (5S,6S)-2-fluoro-5-[(8-fluoro-2-methylquinazolin-5-yl)amino]-6-(trifluoromethyl)spiro[5,7-dihydronaphthalene-8,1'-cyclopropane]-1,6-diol by IUPAC nomenclature, provide its molecular formula.
user
C22H18F5N3O2
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