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 (1S,2R,6S,7R)-4-(2-phenylmethoxyethyl)-4-azatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione ?
user
C18H19NO3
assistant