You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-[3-(4-acetyl-3-hydroxy-2-propylphenoxy)propoxy]-4-bromo-2-ethylanilino]-2-oxoacetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H28BrNO7
assistant