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-(4-ethylpiperazin-4-ium-1-yl)-2-[2-(trifluoromethyl)-1,3-dioxolan-2-yl]ethanone is given. What is its corresponding molecular formula?
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C12H20F3N2O3+
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