You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,2,2,3,3,4,5,6-octadeuterio-4-[[9-(oxolan-3-yl)-8-(2,4,6-trifluoroanilino)purin-2-yl]amino]cyclohexan-1-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H23F3N6O2
assistant