You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4S,4aS,5aS,12aR)-9-[[2-(tert-butylamino)acetyl]amino]-4,7-bis(dimethylamino)-1,10,11,12a-tetrahydroxy-4a-methyl-3,12-dioxo-4,5,5a,6-tetrahydrotetracene-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C30H41N5O8
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