You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (3aS,6S)-4-(hydroxymethyl)-6-(4-methoxyphenoxy)-2,2-dimethyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-ol ?
user
C16H22O7
assistant