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 (4aS,5aR,12aR)-7-[5-[(cyclopropylamino)methyl]furan-2-yl]-3,10,11,12a-tetrahydroxy-1,12-dioxo-3,4,4a,5,5a,6-hexahydro-2H-tetracene-2-carboxamide is given. What is its corresponding molecular formula?
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C27H28N2O8
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