You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(1-methoxypropan-2-yl)-6-methyl-4-oxo-1-[3-(trifluoromethyl)phenyl]pyridazine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H18F3N3O3
assistant