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 methyl 5-[(1R)-3-amino-1-(7-methoxy-1,3-benzodioxol-5-yl)-3-oxopropyl]-4-hydroxy-6-oxo-1H-pyridine-3-carboxylate is given. What is its corresponding molecular formula?
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C18H18N2O8
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