You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 1-(2,4-dimethylphenyl)-2-[4-[(1-methylimidazol-2-yl)-phenylmethyl]piperazin-1-yl]ethanol into molecular formula.
user
C25H32N4O
assistant