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 3-[(4aS,5S,10bS)-1'-(3,3-dimethylbutanoyl)-8-methoxy-5-methylspiro[2,4,4a,10b-tetrahydropyrano[3,2-c]chromene-3,3'-azetidine]-5-yl]propanoic acid into molecular formula.
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C25H35NO6
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