You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (4R)-4-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)-3-[(3,4-dimethoxyphenyl)methylidene]oxolan-2-one .
user
C22H22O6
assistant