You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,2S,5R,6R,9R,12S,13S,14S,16S)-12-acetyloxy-6-(furan-3-yl)-9,13-dihydroxy-16-(2-methoxy-2-oxoethyl)-1,5,15,15-tetramethyl-8,17-dioxo-7-oxatetracyclo[11.3.1.02,11.05,10]heptadec-10-en-14-yl] 2-methylbut-2-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C34H42O12
assistant