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 tert-butyl 4-[4-(6-methylimidazo[1,2-b]pyridazin-7-yl)phenyl]piperazine-1-carboxylate using the IUPAC nomenclature.
user
C22H27N5O2
assistant