You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 7-(3-aminopyrrolidin-1-yl)-1-(2,3-difluorophenyl)-6-fluoro-4-oxo-1,8-naphthyridine-3-carboxylic acid is given. What is its corresponding molecular formula?
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C19H15F3N4O3
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