You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (1R,2R,4S)-7-[2-[3-(9H-fluoren-9-ylmethoxycarbonylamino)cyclobutyl]acetyl]-7-azabicyclo[2.2.1]heptane-2-carboxylic acid into molecular formula.
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C28H30N2O5
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