You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (2Z,7R)-5-amino-7-(3-bromophenyl)-2-[(3-bromophenyl)methylidene]-6-cyano-3-oxo-7H-[1,3]thiazolo[3,2-a]pyridine-8-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H17Br2N3O3S
assistant