You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(2,4-dichlorophenyl)methyl]-1-[3-[[(2,4-dichlorophenyl)methylamino]methyl]cyclohexyl]methanamine;dihydrochloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H28Cl6N2
assistant