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What is the molecular formula of the compound with this IUPAC name 3-[(2S)-2-[(3,4-dimethoxyphenyl)methyl]-5-oxopyrrolidin-2-yl]-N-[[(1R,2S,4S)-spiro[bicyclo[2.2.1]hept-5-ene-7,1'-cyclopropane]-2-yl]methyl]propanamide ?
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C26H34N2O4
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