You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,3R,6S)-3-pyridin-2-yl-5-oxa-1,4-diazatricyclo[5.2.2.02,6]undecan-6-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H17N3O2
assistant