You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-chloro-2-N-(4-chloro-2-fluorophenyl)-4-N-propyl-1,3,5-triazine-2,4-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C12H12Cl2FN5
assistant