You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4aR,5aS,12aS)-4,7-bis(dimethylamino)-9-ethyl-3,10,11,12a-tetrahydroxy-1,12-dioxo-3,4,4a,5,5a,6-hexahydro-2H-tetracene-2-carboxamide .
user
C25H33N3O7
assistant