You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Can you give the molecular formula of the molecule methyl 2-[4-[(6aS,10R,10aR,11aS)-8-carbamoyl-10-(dimethylamino)-4,5,6a,9-tetrahydroxy-6,7-dioxo-9,10,10a,11,11a,12-hexahydro-8H-tetracen-1-yl]phenyl]propanoate ?
user
C31H34N2O9
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