You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [3-[(1-ethylpiperidin-2-yl)methyl]-5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-8-yl]methanol into molecular formula.
user
C16H27N3O
assistant