You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [2-oxo-2-[(2S,4S)-2,5,12-trihydroxy-7-methoxy-4-[(2S,6S)-6-methyl-4-methylideneoxan-2-yl]oxy-6,11-dioxo-3,4-dihydro-1H-tetracen-2-yl]ethyl] 2-bromoacetate .
user
C30H29BrO11
assistant