You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 18-(furan-3-yl)-2-hydroxy-1,5,5,17-tetramethylspiro[6,10,19,22-tetraoxaheptacyclo[13.8.1.04,8.07,12.08,24.017,23.021,23]tetracosane-13,1'-cyclopentane]-3,11,20-trione .
user
C32H38O9
assistant