You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-ethoxy-4-[(Z)-[[2-(4-phenylphenoxy)acetyl]hydrazinylidene]methyl]phenyl] 4-bromobenzoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H25BrN2O5
assistant