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-(3,4-dihydro-2H-quinolin-1-yl)-2-[4-(3,4-dimethylphenyl)sulfonylpiperazin-1-ium-1-yl]ethanone is given. What is its corresponding molecular formula?
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C23H30N3O3S+
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