You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as ethyl 5-ethyl-4-(4-fluorophenyl)-2-propan-2-yl-7-thiocyanatopyrrolo[1,2-b]pyridazine-3-carboxylate using the IUPAC nomenclature.
user
C22H22FN3O2S
assistant