You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-(3,4-dimethoxyphenyl)-N-(2,5-dimethylphenyl)-3-(3-oxo-1H-isoindol-2-yl)propanamide is given. What is its corresponding molecular formula?
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C27H28N2O4
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