You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [(1R,2S,4S,6R,7S,8R,9S,12S,13S)-7,9,13-trimethyl-6-(3-methyl-4-oxobutyl)-5-oxapentacyclo[10.8.0.02,9.04,8.013,18]icosan-16-yl] acetate ?
user
C29H46O4
assistant