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 (12,20-dihydroxy-6,13-dimethyl-8,16-dioxo-7-oxapentacyclo[10.8.0.02,9.05,9.013,18]icos-17-en-11-yl) acetate ?
user
C23H30O7
assistant