You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3S)-N-(1,3-benzodioxol-5-ylmethyl)-3-(4-hydroxy-2-oxochromen-3-yl)-3-(7-methoxy-1,3-benzodioxol-5-yl)propanamide into molecular formula.
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C28H23NO9
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