You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,2S,5R,7R,10R,11R,14R,16S,19S,20S,23S,25S,28S,29S,32R,34R)-5,14,23-triethyl-2,11,20,29,32-pentamethyl-4,13,22,31,37,38,39,40-octaoxapentacyclo[32.2.1.17,10.116,19.125,28]tetracontane-3,12,21,30-tetrone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H70O12
assistant