You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 6-N-cycloheptyl-5,6-dimethyl-4-oxo-2-N-[(4-propan-2-yloxyphenyl)methyl]-7H-pyrazolo[1,5-a]pyrazine-2,6-dicarboxamide by IUPAC nomenclature, provide its molecular formula.
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C27H37N5O4
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