You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [3-[[2-(3-cyanopyrrolo[1,2-b]pyridazin-7-yl)-5-[5-fluoro-1-(2-fluoro-3-hydroxy-3-methylbutyl)triazol-4-yl]pyridin-4-yl]amino]cyclobutyl]methyl carbamate .
user
C26H27F2N9O3
assistant