You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-1,1,1-trifluoro-2-[1-[(1-methylpyrrol-2-yl)methyl]piperidin-4-yl]propan-2-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H21F3N2O
assistant