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 4-[[2-(4-ethylphenyl)-3-oxo-1H-pyrazolo[4,3-c]quinoline-8-carbonyl]amino]piperidine-1-carboxylate into molecular formula.
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C27H29N5O4
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