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-methyl-N'-(3,4,5-trimethoxy-2-nitrobenzoyl)imidazo[1,2-a]pyridine-3-carbohydrazide is given. What is its corresponding molecular formula?
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C19H19N5O7
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