You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [2-[4-(dimethylamino)anilino]-2-oxoethyl] 4-[4-(4-chlorophenyl)-3-hydroxy-5-imino-2H-pyrrol-1-yl]benzoate ?
user
C27H25ClN4O4
assistant