You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4,4,4-trifluoro-N-methyl-N-[(4-propan-2-yl-1,2,4-triazol-3-yl)methyl]butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C11H17F3N4O
assistant