You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4S,4aR,5S,5aR,6Z,12aR)-6-[(3-chlorophenyl)methylidene]-4-(dimethylamino)-1,5,10,11,12a-pentahydroxy-3,12-dioxo-4,4a,5,5a-tetrahydrotetracene-2-carboxamide into its molecular formula.
user
C28H25ClN2O8
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