You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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What is the molecular formula of the molecule 4-(dimethylamino)-3,10,11,12a-tetrahydroxy-12-oxo-9-(2-phenylethynyl)-1,4,4a,5,5a,6-hexahydrotetracene-2-carboxamide ?
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C29H28N2O6
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