You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(2-fluorophenyl)methyl]-9-(2-piperidin-4-ylethyl)-8-(2,4,6-trifluorophenyl)purin-2-amine .
user
C25H24F4N6
assistant