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 2-[4-(2-cyanoethyl)piperazin-1-yl]-6-[[4-(2-methylpropyl)phenyl]sulfonylamino]quinoline-4-carboxylic acid;trihydrochloride is given. What is its corresponding molecular formula?
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C27H34Cl3N5O4S
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