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 (3aR,6S,6aR)-6-(hydroxymethyl)-2,2,3a-trimethyl-6,6a-dihydrofuro[3,4-d][1,3]dioxol-4-one .
user
C9H14O5
assistant