You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2S,6S,7R)-4-(furan-2-ylmethyl)spiro[4-azatricyclo[5.2.1.02,6]dec-8-ene-10,1'-cyclopropane]-3,5-dione The above is the IUPAC name of a molecule. Write its molecular formula.
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