You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,6S)-N-[(8S)-2-ethyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-8-yl]-2,6-dimethylmorpholine-4-sulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H25N5O3S
assistant