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,5S,6R,6aR)-6-[[(3aR,5R,6R,6aR)-2,2-dimethyl-6-prop-2-enoxy-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]methoxy]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde .
user
C19H28O9
assistant