You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4S,4aS,5aR,12aS)-4,7-bis(dimethylamino)-10,12a-dihydroxy-1,3,11,12-tetraoxo-9-pyridin-2-yl-4,4a,5,5a,6,11a-hexahydrotetracene-2-carboxamide ?
user
C28H30N4O7
assistant