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 [(4R,4aS,5R,5aS,6S,12aS)-2-carbamoyl-4-(dimethylamino)-1,10,11,12a-tetrahydroxy-6-methyl-3,12-dioxo-4a,5,5a,6-tetrahydro-4H-tetracen-5-yl] 6-methylhept-6-enoate ?
user
C30H36N2O9
assistant