You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-bromo-2-chloro-N-[[4-(5,7-dimethyl-1,3-benzoxazol-2-yl)-3-hydroxyphenyl]carbamothioyl]benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H17BrClN3O3S
assistant