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Under IUPAC nomenclature, a molecule named 2-O-[2-[2,5-dimethyl-1-(2,2,2-trifluoroethyl)pyrrol-3-yl]-2-oxoethyl] 1-O-methyl benzene-1,2-dicarboxylate is given. What is its corresponding molecular formula?
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C19H18F3NO5
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