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 identified by 4-[[(5Z)-5-[(2-bromo-5-ethoxy-4-phenylmethoxyphenyl)methylidene]-4-oxo-2-phenylimino-1,3-thiazolidin-3-yl]methyl]benzoic acid ?
user
C33H27BrN2O5S
assistant