You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[4-[3-(2,4-dimethoxyphenyl)-3-oxopropyl]piperazin-1-yl]-1-phenylpropan-1-one by IUPAC nomenclature, provide its molecular formula.
user
C24H30N2O4
assistant