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 (4R,4aS,5aR,12aS)-4-(dimethylamino)-1,10,11,12a-tetrahydroxy-3,12-dioxo-9-(2-phenylethynyl)-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide is given. What is its corresponding molecular formula?
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C29H26N2O7
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