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-benzylpiperazine-1,4-diium-1-yl)-N-[(1R)-1-(4-methylphenyl)propyl]acetamide is given. What is its corresponding molecular formula?
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C23H33N3O+2
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