You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by 3-methyl-N-[3-[methyl(2,2,2-trifluoroethyl)amino]propyl]-4-oxo-1,5,6,7-tetrahydroindole-2-carboxamide ?
user
C16H22F3N3O2
assistant