You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[4-[4-(4-methylanilino)-6-[3-(trifluoromethyl)anilino]-1,3,5-triazin-2-yl]piperazin-1-yl]pyridine-3-carbonitrile by IUPAC nomenclature, provide its molecular formula.
user
C27H24F3N9
assistant