You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R)-2-[tert-butyl(dimethyl)silyl]oxypropanal;ethane;methyl (2R)-2-[tert-butyl(dimethyl)silyl]oxypropanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H48O5Si2
assistant