You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (3aS,7aS)-2-(2,2-dimethyl-3-phenylpropanoyl)-1,3,3a,4,6,7-hexahydropyrano[3,4-c]pyrrole-7a-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
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C19H25NO4
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