You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,6R,8S)-12-(2-tert-butyl-4-methoxyphenyl)-3,3-dimethyl-2-oxa-12-azatricyclo[6.5.0.01,6]tridecane-5,13-dione;(1R,6S,8R)-12-(2-tert-butyl-4-methoxyphenyl)-3,3-dimethyl-2-oxa-12-azatricyclo[6.5.0.01,6]tridecane-5,13-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H66N2O8
assistant