You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-(3-chlorophenyl)piperazin-1-ium-1-yl]-N-[2-(dimethylamino)-2-oxoethyl]-N-methylacetamide into its molecular formula.
user
C17H26ClN4O2+
assistant