You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-cyclopropyl-2-[cyclopropylmethyl-[2-[4-(3-methylphenyl)piperazin-1-yl]ethyl]amino]-N-methylacetamide into molecular formula.
user
C23H36N4O
assistant