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 1-ethyl-6-fluoro-7-[4-[[1-[(2-fluorophenyl)methyl]benzimidazol-2-yl]methyl]piperazin-1-yl]-4-oxoquinoline-3-carboxylic acid is given. What is its corresponding molecular formula?
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C31H29F2N5O3
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