You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-(4-methylpiperidin-1-yl)-3-[methyl-[[3-(trifluoromethyl)phenyl]methyl]amino]propan-2-ol by IUPAC nomenclature, provide its molecular formula.
user
C18H27F3N2O
assistant