You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2Z)-2-[(2,3-dimethoxyphenyl)methylidene]-9-(5-methoxy-2,3-dihydro-1,4-benzodioxin-7-yl)-8,9-dihydrofuro[2,3-f]chromene-3,7-dione into its molecular formula.
user
C29H24O9
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