You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4E,5S)-4-[2,3-dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-5-(3-ethoxyphenyl)-1-(2-phenylethyl)pyrrolidine-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H27NO6
assistant