You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1-methylpiperidin-4-yl)methyl]-1-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethanamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C15H23N5
assistant