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system
Provide the molecular formula for the IUPAC named substance ethyl (4R)-4-[4-[2-[(2Z)-2-[(3,5-diiodo-4-phenylmethoxyphenyl)methylidene]hydrazinyl]-2-oxoethoxy]-3-methoxyphenyl]-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate .
user
C31H30I2N4O7
assistant