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 2-bromo-N-[2-[(2R)-3-(2-methoxyphenyl)-4-oxo-1,3-thiazolidin-2-yl]phenyl]benzamide ?
user
C23H19BrN2O3S
assistant