You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[(3-chlorophenyl)methyl]piperazin-1-yl]-2-(cyclopropylmethylamino)ethanone;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H26Cl3N3O
assistant