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 [1-(2-methoxy-5-nitroanilino)-1-oxopropan-2-yl] 6-oxo-1-(2-phenoxyethyl)pyridazine-3-carboxylate ?
user
C23H22N4O8
assistant