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Name the molecular formula for the molecule established as 5-[7-(3,4-dihydro-2H-chromen-8-yl)-6-fluoro-4-methylsulfanyl-1H-pyrrolo[3,2-c][1,6]naphthyridin-2-yl]-5,6,7,7a-tetrahydro-1H-pyrrolo[1,2-c][1,3]oxazol-3-one using the IUPAC nomenclature.
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C26H23FN4O3S
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