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 (3aS,4S,6S,7S,7aS)-6-[[(2S,3S,4R,5S,6S)-5-ethoxy-6-[[(2S,3S,4S,5S,6S)-4-ethoxy-5-methoxy-2,6-dimethyloxan-3-yl]oxymethyl]-4-methoxy-2-methyloxan-3-yl]oxymethyl]-7-methoxy-4-methyl-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran .
user
C29H52O12
assistant