You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-(azetidin-3-yl)-N-[2-methyl-3-(2,2,2-trifluoroethoxy)phenyl]propanamide;hydrochloride by IUPAC nomenclature, provide its molecular formula.
user
C15H20ClF3N2O2
assistant