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 (1S,3R,6S,8S,11S,13R,16S,18R,21S,23S,26S,28R,31R,33R,37R,39R)-5,10,15,20,25-pentakis(hydroxymethyl)-30-methyl-2,4,7,9,12,14,17,19,22,24,27,29-dodecaoxaheptacyclo[26.2.2.23,6.28,11.213,16.218,21.223,26]dotetracontane-31,32,33,34,36,37,38,39,40,42-decol ?
user
C36H60O27
assistant