You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(Z)-(2-bromo-4-ethoxy-5-methoxyphenyl)methylideneamino]-2-hydroxy-2,2-diphenylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H23BrN2O4
assistant