You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 2-[4-(6-chloropyridine-2-carbonyl)-1,4-diazepan-1-yl]-N-prop-2-ynylacetamide using the IUPAC nomenclature.
user
C16H19ClN4O2
assistant