You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-[5-(2-methylpyridin-4-yl)-1,2,4-oxadiazol-3-yl]-2-propan-2-yloxyethanamine by IUPAC nomenclature, provide its molecular formula.
user
C13H18N4O2
assistant