You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-bromophenoxy)-N-[5-[5-[(2R)-butan-2-yl]-1,3-benzoxazol-2-yl]-2-chlorophenyl]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H22BrClN2O3
assistant