You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl N-[(1S)-1-[(2S)-2-deuteriooxiran-2-yl]-2-(4-phenylmethoxyphenyl)ethyl]carbamate by IUPAC nomenclature, provide its molecular formula.
user
C22H27NO4
assistant