You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (NZ)-N'-(3,4-dichlorophenyl)-N-(4-oxo-1-propan-2-ylimidazolidin-2-ylidene)piperidine-1-carboximidamide ?
user
C18H23Cl2N5O
assistant