You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[4-(4-chlorophenyl)piperazin-1-yl]-[1-[6-(2-methylimidazol-1-yl)pyrimidin-4-yl]piperidin-4-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H28ClN7O
assistant