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 4-[[5-(2,6-dioxopiperidin-3-yl)indazol-1-yl]methyl]cyclohexane-1-carboxylic acid is given. What is its corresponding molecular formula?
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C20H23N3O4
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