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-[[4-(9H-fluoren-9-ylmethoxycarbonylamino)-3,3-dimethylbutanoyl]amino]-2-hydroxybutanoic acid is given. What is its corresponding molecular formula?
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C25H30N2O6
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