You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 2-(1,4-dioxan-2-ylmethyl)-1-(7-methylspiro[5H-pyrrolo[1,2-a]quinoxaline-4,4'-piperidine]-1'-yl)penta-2,4-dien-1-one into its molecular formula.
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C26H31N3O3
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