You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-5-[tert-butyl(dimethyl)silyl]-2-[[2-(2-methoxyethoxy)acetyl]amino]pent-4-ynamide by IUPAC nomenclature, provide its molecular formula.
user
C16H30N2O4Si
assistant