You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(1S,3S,7R,8E,11S,12S,13E,15S,17R,21R,23R,25S)-25-acetyloxy-11,21-dihydroxy-17-[(1R)-1-hydroxyethyl]-13-(2-methoxy-2-oxoethylidene)-10,10-dimethyl-5-methylidene-19-oxo-18,27,28,29-tetraoxatetracyclo[21.3.1.13,7.111,15]nonacos-8-en-12-yl] octanoate into its molecular formula.
user
C43H66O14
assistant