You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-pyridazin-3-yl-3-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)piperidine-1-carboxamide is given. What is its corresponding molecular formula?
user
C17H23N7O
assistant