You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6-(3-cyanopyrrolo[1,2-b]pyridazin-7-yl)-N-(2-fluoro-3-hydroxy-3-methylbutyl)-4-[[1-(2-methoxyacetyl)piperidin-4-yl]amino]pyridine-3-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C27H32FN7O4
assistant