You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule ethyl 6-fluoro-1-[(3-fluorophenyl)methyl]-2-oxo-4-[4-(thiophene-2-carbonyl)piperazin-1-yl]-1,8-naphthyridine-3-carboxylate into molecular formula.
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C27H24F2N4O4S
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