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-[3-(trifluoromethyl)phenyl]piperazin-1-yl]methyl]spiro[1,3-dioxane-2,3'-indole]-2'-one is given. What is its corresponding molecular formula?
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C23H24F3N3O3
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