You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(3-aminocyclobutyl)-4-N-[2-[4-methyl-6-(trifluoromethyl)pyrimidin-2-yl]ethyl]pyrimidine-2,4-diamine;dihydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H22Cl2F3N7
assistant