You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[2-(3,4-dimethoxyphenyl)ethyl]-4-[(1R)-1,2-diphenylethyl]piperazine;dihydrochloride using the IUPAC nomenclature.
user
C28H36Cl2N2O2
assistant