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system
Provide the molecular formula for the IUPAC named substance propan-2-yl 3-[9-[(3,4-dimethoxyphenyl)methyl]-4-methyl-2-oxo-8,10-dihydropyrano[2,3-f][1,3]benzoxazin-6-yl]propanoate .
user
C27H31NO7
assistant