You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[[5-bromo-4-[(Z)-2-cyano-3-(4-ethoxyanilino)-3-oxoprop-1-enyl]-2-methoxyphenoxy]methyl]benzoic acid .
user
C27H23BrN2O6
assistant