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 [(3R,8S,10R,12S,17R)-17-methyl-2,7,11,16-tetraoxatetracyclo[8.8.0.03,8.012,17]octadecan-1-yl]methanol .
user
C16H26O5
assistant