You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1S)-3-[4-benzyl-4-(hydroxymethyl)piperidin-1-yl]-1-[4-(trifluoromethyl)phenyl]propyl]cyclobutanecarboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H35F3N2O2
assistant