You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-butoxy-3-methoxy-N'-[2-(7,7,9-trimethyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetyl]benzohydrazide into molecular formula.
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C25H36N4O6
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