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system
Name the molecular formula for the molecule established as 3-[4-[2-(2-ethyl-6-methoxycarbonylpyridin-4-yl)ethynyl]phenoxy]propane-1-sulfonic acid;3-[4-[2-[2-(hydroxymethyl)-6-methoxycarbonylpyridin-4-yl]ethynyl]phenoxy]propane-1-sulfonic acid;oxolane using the IUPAC nomenclature.
user
C43H48N2O14S2
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