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 4-bromo-5-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methylamino]-2-nitrobenzoate is given. What is its corresponding molecular formula?
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C15H13BrN2O8
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