You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(6-oxo-1-propylpyridazin-4-yl)-N-(3-propan-2-yloxypropyl)piperidine-4-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C19H32N4O3
assistant