You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[2-[[2-(diethylaminomethyl)cyclohexyl]amino]ethyl]-[1,2,4]triazolo[4,3-a]pyridin-3-one ?
user
C19H31N5O
assistant