You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-N-[2-[cyclopropyl(methyl)amino]propyl]-2-N-methyl-6-(trifluoromethyl)pyrimidine-2,4-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H20F3N5
assistant