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 2,6-dimethyl-4-(3-nitrophenyl)-3,3-dioxalo-2,4-dihydro-1H-pyridine-5-carboxylic acid is given. What is its corresponding molecular formula?
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C18H16N2O10
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