You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[3-[[ethyl-(2,2,2-trifluoroacetyl)amino]methyl]phenyl]-4-(methylamino)butanamide is given. What is its corresponding molecular formula?
user
C16H22F3N3O2
assistant