You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 6-[2-[(dimethylamino)methyl]-4-hydroxypyrrolidin-1-yl]-2H-[1,2,4]triazolo[4,3-b]pyridazin-3-one ?
user
C12H18N6O2
assistant