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 2-amino-3-(benzenesulfonyl)-1-(3-propan-2-yloxypropyl)-6H-pyrrolo[2,3-d]pyridazin-7-one .
user
C18H22N4O4S
assistant