You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4R,4aR,5aS,12aR)-4-(dimethylamino)-10,12a-dihydroxy-9-[(1-methylpiperidin-4-yl)amino]-1,3,11,12-tetraoxo-4,4a,5,5a,6,11a-hexahydrotetracene-2-carboxamide into its molecular formula.
user
C27H34N4O7
assistant