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 N-butyl-N-[2-[4-[6-(2-chlorophenyl)pyridazin-3-yl]-1,4-diazepan-1-yl]-2-oxoethyl]-3-methylbutanamide .
user
C26H36ClN5O2
assistant