You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule [8-butyl-3-[(3-formamido-2-hydroxybenzoyl)amino]-9-oxo-1,5-dioxonan-7-yl] 2-methylpropanoate into molecular formula.
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C23H32N2O8
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