You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4'-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethyl]-3',6',11,12b-tetramethylspiro[1,2,3,5,6,6a,6b,7,8,10,12,12a-dodecahydronaphtho[2,1-a]azulene-9,2'-3,3a,5,6,7,7a-hexahydrofuro[3,2-b]pyridine]-3-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C37H61NO6
assistant