You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule ethyl (2Z,7R)-7-(1,3-benzodioxol-5-yl)-2-[(3-ethoxy-4-phenylmethoxyphenyl)methylidene]-5-methyl-3-oxo-7H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate ?
user
C33H30N2O7S
assistant