You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[cyclopropyl(methyl)amino]propyl]-6-methyl-4-oxo-1-[3-(trifluoromethyl)phenyl]pyridazine-3-carboxamide into its molecular formula.
user
C20H23F3N4O2
assistant