You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-benzyl-N,N-dimethyl-5-(2-oxo-1-oxaspiro[4.5]decane-4-carbonyl)-6,7-dihydro-4H-pyrazolo[4,3-c]pyridine-3-carboxamide into molecular formula.
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C26H32N4O4
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