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 6-chloroimidazo[1,2-b]pyridazine;N-(3-pyrrolidin-1-ylpropyl)imidazo[1,2-b]pyridazin-6-amine .
user
C19H23ClN8
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