You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[hydroxy-(3-propoxyphenyl)methylidene]-1-(2-methoxyethyl)-5-(3-methoxy-4-pentoxyphenyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H37NO7
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