You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-2-hydroxy-1-[(2R,4S)-2-methyl-4-propan-2-yloxypiperidin-1-yl]propan-1-one by IUPAC nomenclature, provide its molecular formula.
user
C12H23NO3
assistant