You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[(3-bromophenyl)methyl]-1,2,4-oxadiazol-5-yl]-N,4-dimethylpentan-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H22BrN3O
assistant