You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,4S)-4-[(2S,5R,7S,9R)-2-[(2R,5S)-5-ethyl-5-[(2R,3S,5R)-5-[(2S,3S,5R,6R)-6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-3-methyloxolan-2-yl]oxolan-2-yl]-9-hydroxy-2,7-dimethyl-1,6-dioxaspiro[4.5]decan-7-yl]-3-methoxy-2-methylpentanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C36H62O11
assistant