You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[dideuterio-(4-fluorophenyl)methyl]-3-[dideuterio-[2,3,5,6-tetradeuterio-4-[1,1,2,3,3,3-hexadeuterio-2-(trideuteriomethyl)propoxy]phenyl]methyl]-1-[2,2,6,6-tetradeuterio-1-(trideuteriomethyl)piperidin-4-yl]urea is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H34FN3O2
assistant