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 tert-butyl 3-[8-methyl-2-oxo-3-(phenylmethoxycarbonylamino)chromen-7-yl]oxypiperidine-1-carboxylate is given. What is its corresponding molecular formula?
user
C28H32N2O7
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