You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [2-(3-iodoanilino)-2-oxoethyl] 6-oxo-4,5-dihydro-1H-pyridazine-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C13H12IN3O4
assistant