You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]-2-(3-propan-2-yl-1H-1,2,4-triazol-5-yl)morpholine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H27N5O2
assistant