You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named carbanide;spiro[9,13-dioxatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaene-11,3'-dioxirane]-8,14-dione;yttrium is given. What is its corresponding molecular formula?
user
C19H18O6Y2-2
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